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Merge pull request #10850 from edx/kill-graphical-slider-tool

Browse Source 
Remove the graphical slider tool
This commit is contained in:
Sarina Canelake
2015-12-17 14:50:22 -05:00
parent 283623ab35 2bc7b954ab
commit 0dce7efdba
29 changed files with 7 additions and 3175 deletions
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9
cms/djangoapps/contentstore/views/tests/test_item.py
View File

@@ -1374,15 +1374,6 @@ class TestComponentTemplates(CourseTestCase):
self.assertNotEqual(only_template.get('category'), 'video')
self.assertNotEqual(only_template.get('category'), 'openassessment')
def test_advanced_components_without_display_name(self):
"""
Test that advanced components without display names display their category instead.
"""
self.course.advanced_modules.append('graphical_slider_tool')
self.templates = get_component_templates(self.course)
template = self.get_templates_of_type('advanced')[0]
self.assertEqual(template.get('display_name'), 'graphical_slider_tool')
def test_advanced_problems(self):
"""
Test the handling of advanced problem templates.

7
cms/envs/common.py
View File

@@ -997,7 +997,6 @@ ADVANCED_COMPONENT_TYPES = [
'videoannotation', # module for annotating video (with annotation table)
'imageannotation', # module for annotating image (with annotation table)
'word_cloud',
'graphical_slider_tool',
'lti',
'lti_consumer',
'library_content',
@@ -1115,7 +1114,11 @@ CREDIT_PROVIDER_TIMESTAMP_EXPIRATION = 15 * 60
################################ Deprecated Blocks Info ################################
DEPRECATED_BLOCK_TYPES = ['peergrading', 'combinedopenended']
DEPRECATED_BLOCK_TYPES = [
'peergrading',
'combinedopenended',
'graphical_slider_tool',
]
#### PROCTORING CONFIGURATION DEFAULTS

1
common/lib/xmodule/setup.py
View File

@@ -28,7 +28,6 @@ XMODULES = [
"static_tab = xmodule.html_module:StaticTabDescriptor",
"custom_tag_template = xmodule.raw_module:RawDescriptor",
"about = xmodule.html_module:AboutDescriptor",
"graphical_slider_tool = xmodule.gst_module:GraphicalSliderToolDescriptor",
"annotatable = xmodule.annotatable_module:AnnotatableDescriptor",
"textannotation = xmodule.textannotation_module:TextAnnotationDescriptor",
"videoannotation = xmodule.videoannotation_module:VideoAnnotationDescriptor",

44
common/lib/xmodule/xmodule/css/gst/display.scss
View File

@@ -1,44 +0,0 @@
// In the LMS sliders use built-in styles from jquery-ui-1.8.22.custom.css.
// CMS uses its own sliders styles.
// These styles we use only to sure, that slider in GST module
// will be render correctly (just like a duplication some from jquery-ui-1.8.22.custom.css).
// Cause, for example, CMS overwrites many jquery-ui-1.8.22.custom.css styles,
// and we must overwrite them again.
.ui-widget-content {
border: 1px solid #dddddd;
color: #333333;
}
.ui-widget {
font-family: Trebuchet MS, Tahoma, Verdana, Arial, sans-serif;
font-size: 1.1em;
}
.ui-corner-all, .ui-corner-top, .ui-corner-left, .ui-corner-tl {
-moz-border-radius-topleft: 4px;
-webkit-border-top-left-radius: 4px;
-khtml-border-top-left-radius: 4px;
border-top-left-radius: 4px;
}
.ui-corner-all, .ui-corner-top, .ui-corner-right, .ui-corner-tr {
-moz-border-radius-topright: 4px;
-webkit-border-top-right-radius: 4px;
-khtml-border-top-right-radius: 4px;
border-top-right-radius: 4px;
}
.ui-corner-all, .ui-corner-bottom, .ui-corner-left, .ui-corner-bl {
-moz-border-radius-bottomleft: 4px;
-webkit-border-bottom-left-radius: 4px;
-khtml-border-bottom-left-radius: 4px;
border-bottom-left-radius: 4px;
}
.ui-corner-all, .ui-corner-bottom, .ui-corner-right, .ui-corner-br {
-moz-border-radius-bottomright: 4px;
-webkit-border-bottom-right-radius: 4px;
-khtml-border-bottom-right-radius: 4px;
border-bottom-right-radius: 4px;
}

241
common/lib/xmodule/xmodule/gst_module.py
View File

@@ -1,241 +0,0 @@
"""
Graphical slider tool module is ungraded xmodule used by students to
understand functional dependencies.
"""
import json
import logging
from lxml import etree
from lxml import html
import xmltodict
from xmodule.editing_module import XMLEditingDescriptor
from xmodule.xml_module import XmlDescriptor
from xmodule.x_module import XModule
from xmodule.stringify import stringify_children
from pkg_resources import resource_string
from xblock.fields import String, Scope
log = logging.getLogger(__name__)
DEFAULT_RENDER = """
<h2>Graphic slider tool: Dynamic range and implicit functions.</h2>
<p>You can make the range of the x axis (but not ticks of x axis) of
functions depend on a parameter value. This can be useful when the
function domain needs to be variable.</p>
<p>Implicit functions like a circle can be plotted as 2 separate
functions of the same color.</p>
<div style="height:50px;">
<slider var='r' style="width:400px;float:left;"/>
<textbox var='r' style="float:left;width:60px;margin-left:15px;"/>
</div>
<plot style="margin-top:15px;margin-bottom:15px;"/>
"""
DEFAULT_CONFIGURATION = """
<parameters>
<param var="r" min="5" max="25" step="0.5" initial="12.5" />
</parameters>
<functions>
<function color="red">Math.sqrt(r * r - x * x)</function>
<function color="red">-Math.sqrt(r * r - x * x)</function>
<function color="red">Math.sqrt(r * r / 20 - Math.pow(x-r/2.5, 2)) + r/8</function>
<function color="red">-Math.sqrt(r * r / 20 - Math.pow(x-r/2.5, 2)) + r/5.5</function>
<function color="red">Math.sqrt(r * r / 20 - Math.pow(x+r/2.5, 2)) + r/8</function>
<function color="red">-Math.sqrt(r * r / 20 - Math.pow(x+r/2.5, 2)) + r/5.5</function>
<function color="red">-Math.sqrt(r * r / 5 - x * x) - r/5.5</function>
</functions>
<plot>
<xrange>
<!-- dynamic range -->
<min>-r</min>
<max>r</max>
</xrange>
<num_points>1000</num_points>
<xticks>-30, 6, 30</xticks>
<yticks>-30, 6, 30</yticks>
</plot>
"""
class GraphicalSliderToolFields(object):
data = String(
help="Html contents to display for this module",
default='<render>{}</render><configuration>{}</configuration>'.format(
DEFAULT_RENDER, DEFAULT_CONFIGURATION),
scope=Scope.content
)
class GraphicalSliderToolModule(GraphicalSliderToolFields, XModule):
''' Graphical-Slider-Tool Module
'''
js = {
'coffee': [resource_string(__name__, 'js/src/javascript_loader.coffee')],
'js': [
# 3rd party libraries used by graphic slider tool.
# TODO - where to store them - outside xmodule?
resource_string(__name__, 'js/src/graphical_slider_tool/gst_main.js'),
resource_string(__name__, 'js/src/graphical_slider_tool/state.js'),
resource_string(__name__, 'js/src/graphical_slider_tool/general_methods.js'),
resource_string(__name__, 'js/src/graphical_slider_tool/sliders.js'),
resource_string(__name__, 'js/src/graphical_slider_tool/inputs.js'),
resource_string(__name__, 'js/src/graphical_slider_tool/graph.js'),
resource_string(__name__, 'js/src/graphical_slider_tool/el_output.js'),
resource_string(__name__, 'js/src/graphical_slider_tool/g_label_el_output.js'),
resource_string(__name__, 'js/src/graphical_slider_tool/gst.js')
]
}
css = {'scss': [resource_string(__name__, 'css/gst/display.scss')]}
js_module_name = "GraphicalSliderTool"
@property
def configuration(self):
return stringify_children(
html.fromstring(self.data).xpath('configuration')[0]
)
@property
def render(self):
return stringify_children(
html.fromstring(self.data).xpath('render')[0]
)
def get_html(self):
""" Renders parameters to template. """
# these 3 will be used in class methods
self.html_id = self.location.html_id()
self.html_class = self.location.category
self.configuration_json = self.build_configuration_json()
params = {
'gst_html': self.substitute_controls(self.render),
'element_id': self.html_id,
'element_class': self.html_class,
'configuration_json': self.configuration_json
}
content = self.system.render_template(
'graphical_slider_tool.html', params
)
return content
def substitute_controls(self, html_string):
""" Substitutes control elements (slider, textbox and plot) in
html_string with their divs. Html_string is content of <render> tag
inside <graphical_slider_tool> tag. Documentation on how information in
<render> tag is organized and processed is located in:
edx-platform/docs/build/html/graphical_slider_tool.html.
Args:
html_string: content of <render> tag, with controls as xml tags,
e.g. <slider var="a"/>.
Returns:
html_string with control tags replaced by proper divs
(<slider var="a"/> -> <div class="....slider" > </div>)
"""
xml = html.fromstring(html_string)
# substitute plot, if presented
plot_div = '<div class="{element_class}_plot" id="{element_id}_plot" \
style="{style}"></div>'
plot_el = xml.xpath('//plot')
if plot_el:
plot_el = plot_el[0]
plot_el.getparent().replace(plot_el, html.fromstring(
plot_div.format(
element_class=self.html_class,
element_id=self.html_id,
style=plot_el.get('style', ""))))
# substitute sliders
slider_div = '<div class="{element_class}_slider" \
id="{element_id}_slider_{var}" \
data-var="{var}" \
style="{style}">\
</div>'
slider_els = xml.xpath('//slider')
for slider_el in slider_els:
slider_el.getparent().replace(slider_el, html.fromstring(
slider_div.format(
element_class=self.html_class,
element_id=self.html_id,
var=slider_el.get('var', ""),
style=slider_el.get('style', ""))))
# substitute inputs aka textboxes
input_div = '<input class="{element_class}_input" \
id="{element_id}_input_{var}_{input_index}" \
data-var="{var}" style="{style}"/>'
input_els = xml.xpath('//textbox')
for input_index, input_el in enumerate(input_els):
input_el.getparent().replace(input_el, html.fromstring(
input_div.format(
element_class=self.html_class,
element_id=self.html_id,
var=input_el.get('var', ""),
style=input_el.get('style', ""),
input_index=input_index)))
return html.tostring(xml)
def build_configuration_json(self):
"""Creates json element from xml element (with aim to transfer later
directly to javascript via hidden field in template). Steps:
1. Convert xml tree to python dict.
2. Dump dict to json.
"""
# <root> added for interface compatibility with xmltodict.parse
# class added for javascript's part purposes
root = '<root class="{}">{}</root>'.format(
self.html_class,
self.configuration)
return json.dumps(xmltodict.parse(root))
class GraphicalSliderToolDescriptor(GraphicalSliderToolFields, XMLEditingDescriptor, XmlDescriptor):
module_class = GraphicalSliderToolModule
@classmethod
def definition_from_xml(cls, xml_object, system):
"""
Pull out the data into dictionary.
Args:
xml_object: xml from file.
Returns:
dict
"""
# check for presense of required tags in xml
expected_children_level_0 = ['render', 'configuration']
for child in expected_children_level_0:
if len(xml_object.xpath(child)) != 1:
raise ValueError(u"Graphical Slider Tool definition must include \
exactly one '{0}' tag".format(child))
expected_children_level_1 = ['functions']
for child in expected_children_level_1:
if len(xml_object.xpath('configuration')[0].xpath(child)) != 1:
raise ValueError(u"Graphical Slider Tool definition must include \
exactly one '{0}' tag".format(child))
# finished
return {
'data': stringify_children(xml_object)
}, []
def definition_to_xml(self, resource_fs):
'''Return an xml element representing this definition.'''
data = u'<{tag}>{body}</{tag}>'.format(
tag='graphical_slider_tool',
body=self.data)
xml_object = etree.fromstring(data)
return xml_object

1
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/.gitignore vendored
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@@ -1 +0,0 @@
!*.js

141
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/el_output.js
View File

@@ -1,141 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
define('ElOutput', [], function () {
return ElOutput;
function ElOutput(config, state) {
if ($.isPlainObject(config.functions["function"])) {
processFuncObj(config.functions["function"]);
} else if ($.isArray(config.functions["function"])) {
(function (c1) {
while (c1 < config.functions["function"].length) {
if ($.isPlainObject(config.functions["function"][c1])) {
processFuncObj(config.functions["function"][c1]);
}
c1 += 1;
}
}(0));
}
return;
function processFuncObj(obj) {
var paramNames, funcString, func, el, disableAutoReturn, updateOnEvent;
// We are only interested in functions that are meant for output to an
// element.
if (
(typeof obj['@output'] !== 'string') ||
((obj['@output'].toLowerCase() !== 'element') && (obj['@output'].toLowerCase() !== 'none'))
) {
return;
}
if (typeof obj['@el_id'] !== 'string') {
console.log('ERROR: You specified "output" as "element", but did not spify "el_id".');
return;
}
if (typeof obj['#text'] !== 'string') {
console.log('ERROR: Function body is not defined.');
return;
}
updateOnEvent = 'slide';
if (
(obj.hasOwnProperty('@update_on') === true) &&
(typeof obj['@update_on'] === 'string') &&
((obj['@update_on'].toLowerCase() === 'slide') || (obj['@update_on'].toLowerCase() === 'change'))
) {
updateOnEvent = obj['@update_on'].toLowerCase();
}
disableAutoReturn = obj['@disable_auto_return'];
funcString = obj['#text'];
if (
(disableAutoReturn === undefined) ||
(
(typeof disableAutoReturn === 'string') &&
(disableAutoReturn.toLowerCase() !== 'true')
)
) {
if (funcString.search(/return/i) === -1) {
funcString = 'return ' + funcString;
}
} else {
if (funcString.search(/return/i) === -1) {
console.log(
'ERROR: You have specified a JavaScript ' +
'function without a "return" statemnt. Your ' +
'function will return "undefined" by default.'
);
}
}
// Make sure that all HTML entities are converted to their proper
// ASCII text equivalents.
funcString = $('<div>').html(funcString).text();
paramNames = state.getAllParameterNames();
paramNames.push(funcString);
try {
func = Function.apply(null, paramNames);
} catch (err) {
console.log(
'ERROR: The function body "' +
funcString +
'" was not converted by the Function constructor.'
);
console.log('Error message: "' + err.message + '".');
if (state.showDebugInfo) {
$('#' + gstId).html('<div style="color: red;">' + 'ERROR IN XML: Could not create a function from string "' + funcString + '".' + '</div>');
$('#' + gstId).append('<div style="color: red;">' + 'Error message: "' + err.message + '".' + '</div>');
}
paramNames.pop();
return;
}
paramNames.pop();
if (obj['@output'].toLowerCase() !== 'none') {
el = $('#' + obj['@el_id']);
if (el.length !== 1) {
console.log(
'ERROR: DOM element with ID "' + obj['@el_id'] + '" ' +
'not found. Dynamic element not created.'
);
return;
}
el.html(func.apply(window, state.getAllParameterValues()));
} else {
el = null;
func.apply(window, state.getAllParameterValues());
}
state.addDynamicEl(el, func, obj['@el_id'], updateOnEvent);
}
}
});
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)

115
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/g_label_el_output.js
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@@ -1,115 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
define('GLabelElOutput', [], function () {
return GLabelElOutput;
function GLabelElOutput(config, state) {
if ($.isPlainObject(config.functions["function"])) {
processFuncObj(config.functions["function"]);
} else if ($.isArray(config.functions["function"])) {
(function (c1) {
while (c1 < config.functions["function"].length) {
if ($.isPlainObject(config.functions["function"][c1])) {
processFuncObj(config.functions["function"][c1]);
}
c1 += 1;
}
}(0));
}
return;
function processFuncObj(obj) {
var paramNames, funcString, func, disableAutoReturn;
// We are only interested in functions that are meant for output to an
// element.
if (
(typeof obj['@output'] !== 'string') ||
(obj['@output'].toLowerCase() !== 'plot_label')
) {
return;
}
if (typeof obj['@el_id'] !== 'string') {
console.log('ERROR: You specified "output" as "plot_label", but did not spify "el_id".');
return;
}
if (typeof obj['#text'] !== 'string') {
console.log('ERROR: Function body is not defined.');
return;
}
disableAutoReturn = obj['@disable_auto_return'];
funcString = obj['#text'];
if (
(disableAutoReturn === undefined) ||
(
(typeof disableAutoReturn === 'string') &&
(disableAutoReturn.toLowerCase() !== 'true')
)
) {
if (funcString.search(/return/i) === -1) {
funcString = 'return ' + funcString;
}
} else {
if (funcString.search(/return/i) === -1) {
console.log(
'ERROR: You have specified a JavaScript ' +
'function without a "return" statemnt. Your ' +
'function will return "undefined" by default.'
);
}
}
// Make sure that all HTML entities are converted to their proper
// ASCII text equivalents.
funcString = $('<div>').html(funcString).text();
paramNames = state.getAllParameterNames();
paramNames.push(funcString);
try {
func = Function.apply(null, paramNames);
} catch (err) {
console.log(
'ERROR: The function body "' +
funcString +
'" was not converted by the Function constructor.'
);
console.log('Error message: "' + err.message + '".');
if (state.showDebugInfo) {
$('#' + gstId).html('<div style="color: red;">' + 'ERROR IN XML: Could not create a function from string "' + funcString + '".' + '</div>');
$('#' + gstId).append('<div style="color: red;">' + 'Error message: "' + err.message + '".' + '</div>');
}
paramNames.pop();
return;
}
paramNames.pop();
state.plde.push({
'elId': obj['@el_id'],
'func': func
});
}
}
});
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)

23
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/general_methods.js
View File

@@ -1,23 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
define('GeneralMethods', [], function () {
if (!String.prototype.trim) {
// http://blog.stevenlevithan.com/archives/faster-trim-javascript
String.prototype.trim = function trim(str) {
return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
};
}
return {
'module_name': 'GeneralMethods',
'module_status': 'OK'
};
});
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)

1512
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/graph.js
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@@ -1,1512 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
define('Graph', [], function () {
return Graph;
function Graph(gstId, config, state) {
var plotDiv, dataSeries, functions, xaxis, yaxis, numPoints, xrange,
asymptotes, movingLabels, xTicksNames, yTicksNames, graphBarWidth, graphBarAlign;
// We need plot configuration settings. Without them we can't continue.
if ($.isPlainObject(config.plot) === false) {
return;
}
// We must have a graph container DIV element available in order to
// proceed.
plotDiv = $('#' + gstId + '_plot');
if (plotDiv.length === 0) {
console.log('ERROR: Could not find the plot DIV with ID "' + gstId + '_plot".');
return;
}
if (plotDiv.width() === 0) {
plotDiv.width(300);
}
// Sometimes, when height is not explicitly set via CSS (or by some
// other means), it is 0 pixels by default. When Flot will try to plot
// a graph in this DIV with 0 height, then it will raise an error. To
// prevent this, we will set it to be equal to the width.
if (plotDiv.height() === 0) {
plotDiv.height(plotDiv.width());
}
plotDiv.css('position', 'relative');
// Configure some settings for the graph.
if (setGraphXRange() === false) {
console.log('ERROR: Could not configure the xrange. Will not continue.');
return;
}
if (setGraphAxes() === false) {
console.log('ERROR: Could not process configuration for the axes.');
return;
}
graphBarWidth = 1;
graphBarAlign = null;
getBarWidth();
getBarAlign();
// Get the user defined functions. If there aren't any, don't do
// anything else.
createFunctions();
if (functions.length === 0) {
console.log('ERROR: No functions were specified, or something went wrong.');
return;
}
if (createMarkingsFunctions() === false) {
return;
}
if (createMovingLabelFunctions() === false) {
return;
}
// Create the initial graph and plot it for the user to see.
if (generateData() === true) {
updatePlot();
}
// Bind an event. Whenever some constant changes, the graph will be
// redrawn
state.bindUpdatePlotEvent(plotDiv, onUpdatePlot);
return;
function getBarWidth() {
if (config.plot.hasOwnProperty('bar_width') === false) {
return;
}
if (typeof config.plot.bar_width !== 'string') {
console.log('ERROR: The parameter config.plot.bar_width must be a string.');
return;
}
if (isFinite(graphBarWidth = parseFloat(config.plot.bar_width)) === false) {
console.log('ERROR: The parameter config.plot.bar_width is not a valid floating number.');
graphBarWidth = 1;
return;
}
return;
}
function getBarAlign() {
if (config.plot.hasOwnProperty('bar_align') === false) {
return;
}
if (typeof config.plot.bar_align !== 'string') {
console.log('ERROR: The parameter config.plot.bar_align must be a string.');
return;
}
if (
(config.plot.bar_align.toLowerCase() !== 'left') &&
(config.plot.bar_align.toLowerCase() !== 'center')
) {
console.log('ERROR: Property config.plot.bar_align can be one of "left", or "center".');
return;
}
graphBarAlign = config.plot.bar_align.toLowerCase();
return;
}
function createMovingLabelFunctions() {
var c1, returnStatus;
returnStatus = true;
movingLabels = [];
if (config.plot.hasOwnProperty('moving_label') !== true) {
returnStatus = true;
} else if ($.isPlainObject(config.plot.moving_label) === true) {
if (processMovingLabel(config.plot.moving_label) === false) {
returnStatus = false;
}
} else if ($.isArray(config.plot.moving_label) === true) {
for (c1 = 0; c1 < config.plot.moving_label.length; c1++) {
if (processMovingLabel(config.plot.moving_label[c1]) === false) {
returnStatus = false;
}
}
}
return returnStatus;
}
function processMovingLabel(obj) {
var labelText, funcString, disableAutoReturn, paramNames, func,
fontWeight, fontColor;
if (obj.hasOwnProperty('@text') === false) {
console.log('ERROR: You did not define a "text" attribute for the moving_label.');
return false;
}
if (typeof obj['@text'] !== 'string') {
console.log('ERROR: "text" attribute is not a string.');
return false;
}
labelText = obj['@text'];
if (obj.hasOwnProperty('#text') === false) {
console.log('ERROR: moving_label is missing function declaration.');
return false;
}
if (typeof obj['#text'] !== 'string') {
console.log('ERROR: Function declaration is not a string.');
return false;
}
funcString = obj['#text'];
fontColor = 'black';
if (
(obj.hasOwnProperty('@color') === true) &&
(typeof obj['@color'] === 'string')
) {
fontColor = obj['@color'];
}
fontWeight = 'normal';
if (
(obj.hasOwnProperty('@weight') === true) &&
(typeof obj['@weight'] === 'string')
) {
if (
(obj['@weight'].toLowerCase() === 'normal') ||
(obj['@weight'].toLowerCase() === 'bold')
) {
fontWeight = obj['@weight'];
} else {
console.log('ERROR: Moving label can have a weight property of "normal" or "bold".');
}
}
disableAutoReturn = obj['@disable_auto_return'];
funcString = $('<div>').html(funcString).text();
if (
(disableAutoReturn === undefined) ||
(
(typeof disableAutoReturn === 'string') &&
(disableAutoReturn.toLowerCase() !== 'true')
)
) {
if (funcString.search(/return/i) === -1) {
funcString = 'return ' + funcString;
}
} else {
if (funcString.search(/return/i) === -1) {
console.log(
'ERROR: You have specified a JavaScript ' +
'function without a "return" statemnt. Your ' +
'function will return "undefined" by default.'
);
}
}
paramNames = state.getAllParameterNames();
paramNames.push(funcString);
try {
func = Function.apply(null, paramNames);
} catch (err) {
console.log(
'ERROR: The function body "' +
funcString +
'" was not converted by the Function constructor.'
);
console.log('Error message: "' + err.message + '"');
if (state.showDebugInfo) {
$('#' + gstId).html('<div style="color: red;">' + 'ERROR IN XML: Could not create a function from the string "' + funcString + '".' + '</div>');
$('#' + gstId).append('<div style="color: red;">' + 'Error message: "' + err.message + '".' + '</div>');
}
paramNames.pop();
return false;
}
paramNames.pop();
movingLabels.push({
'labelText': labelText,
'func': func,
'el': null,
'fontColor': fontColor,
'fontWeight': fontWeight
});
return true;
}
function createMarkingsFunctions() {
var c1, paramNames, returnStatus;
returnStatus = true;
asymptotes = [];
paramNames = state.getAllParameterNames();
if ($.isPlainObject(config.plot.asymptote)) {
if (processAsymptote(config.plot.asymptote) === false) {
returnStatus = false;
}
} else if ($.isArray(config.plot.asymptote)) {
for (c1 = 0; c1 < config.plot.asymptote.length; c1 += 1) {
if (processAsymptote(config.plot.asymptote[c1]) === false) {
returnStatus = false;
}
}
}
return returnStatus;
// Read configuration options for asymptotes, and store them as
// an array of objects. Each object will have 3 properties:
//
// - color: the color of the asymptote line
// - type: 'x' (vertical), or 'y' (horizontal)
// - func: the function that will generate the value at which
// the asymptote will be plotted; i.e. x = func(), or
// y = func(); for now only horizontal and vertical
// asymptotes are supported
//
// Since each asymptote can have a variable function - function
// that relies on some parameter specified in the config - we will
// generate each asymptote just before we draw the graph. See:
//
// function updatePlot()
// function generateMarkings()
//
// Asymptotes are really thin rectangles implemented via the Flot's
// markings option.
function processAsymptote(asyObj) {
var newAsyObj, funcString, func;
newAsyObj = {};
if (typeof asyObj['@type'] === 'string') {
if (asyObj['@type'].toLowerCase() === 'x') {
newAsyObj.type = 'x';
} else if (asyObj['@type'].toLowerCase() === 'y') {
newAsyObj.type = 'y';
} else {
console.log('ERROR: Attribute "type" for asymptote can be "x" or "y".');
return false;
}
} else {
console.log('ERROR: Attribute "type" for asymptote is not specified.');
return false;
}
if (typeof asyObj['#text'] === 'string') {
funcString = asyObj['#text'];
} else {
console.log('ERROR: Function body for asymptote is not specified.');
return false;
}
newAsyObj.color = '#000';
if (typeof asyObj['@color'] === 'string') {
newAsyObj.color = asyObj['@color'];
}
newAsyObj.label = false;
if (
(asyObj.hasOwnProperty('@label') === true) &&
(typeof asyObj['@label'] === 'string')
) {
newAsyObj.label = asyObj['@label'];
}
funcString = $('<div>').html(funcString).text();
disableAutoReturn = asyObj['@disable_auto_return'];
if (
(disableAutoReturn === undefined) ||
(
(typeof disableAutoReturn === 'string') &&
(disableAutoReturn.toLowerCase() !== 'true')
)
) {
if (funcString.search(/return/i) === -1) {
funcString = 'return ' + funcString;
}
} else {
if (funcString.search(/return/i) === -1) {
console.log(
'ERROR: You have specified a JavaScript ' +
'function without a "return" statemnt. Your ' +
'function will return "undefined" by default.'
);
}
}
paramNames.push(funcString);
try {
func = Function.apply(null, paramNames);
} catch (err) {
console.log('ERROR: Asymptote function body could not be converted to function object.');
console.log('Error message: "".' + err.message);
return false;
}
paramNames.pop();
newAsyObj.func = func;
asymptotes.push(newAsyObj);
return true;
}
}
function setGraphAxes() {
xaxis = {
'tickFormatter': null
};
if (typeof config.plot['xticks'] === 'string') {
if (processTicks(config.plot['xticks'], xaxis, 'xunits') === false) {
console.log('ERROR: Could not process the ticks for x-axis.');
return false;
}
} else {
// console.log('MESSAGE: "xticks" were not specified. Using defaults.');
return false;
}
yaxis = {
'tickFormatter': null
};
if (typeof config.plot['yticks'] === 'string') {
if (processTicks(config.plot['yticks'], yaxis, 'yunits') === false) {
console.log('ERROR: Could not process the ticks for y-axis.');
return false;
}
} else {
// console.log('MESSAGE: "yticks" were not specified. Using defaults.');
return false;
}
xTicksNames = null;
yTicksNames = null;
if (checkForTicksNames('x') === false) {
return false;
}
if (checkForTicksNames('y') === false) {
return false;
}
return true;
//
// function checkForTicksNames(axisName)
//
// The parameter "axisName" can be either "x" or "y" (string). Depending on it, the function
// will set "xTicksNames" or "yTicksNames" private variable.
//
// This function does not return anything. It sets the private variable "xTicksNames" ("yTicksNames")
// to the object converted by JSON.parse from the XML parameter "plot.xticks_names" ("plot.yticks_names").
// If the "plot.xticks_names" ("plot.yticks_names") is missing or it is not a valid JSON string, then
// "xTicksNames" ("yTicksNames") will be set to "null".
//
// Depending on the "xTicksNames" ("yTicksNames") being "null" or an object, the plot will either draw
// number ticks, or use the names specified by the opbject.
//
function checkForTicksNames(axisName) {
var tmpObj;
if ((axisName !== 'x') && (axisName !== 'y')) {
// This is not an error. This funcion should simply stop executing.
return true;
}
if (
(config.plot.hasOwnProperty(axisName + 'ticks_names') === true) ||
(typeof config.plot[axisName + 'ticks_names'] === 'string')
) {
try {
tmpObj = JSON.parse(config.plot[axisName + 'ticks_names']);
} catch (err) {
console.log(
'ERROR: plot.' + axisName + 'ticks_names is not a valid JSON string.',
'Error message: "' + err.message + '".'
);
return false;
}
if (axisName === 'x') {
xTicksNames = tmpObj;
xaxis.tickFormatter = xAxisTickFormatter;
}
// At this point, we are certain that axisName = 'y'.
else {
yTicksNames = tmpObj;
yaxis.tickFormatter = yAxisTickFormatter;
}
}
}
function processTicks(ticksStr, ticksObj, unitsType) {
var ticksBlobs, tempFloat, tempTicks, c1, c2;
// The 'ticks' setting is a string containing 3 floating-point
// numbers.
ticksBlobs = ticksStr.split(',');
if (ticksBlobs.length !== 3) {
console.log('ERROR: Did not get 3 blobs from ticksStr = "' + ticksStr + '".');
return false;
}
tempFloat = parseFloat(ticksBlobs[0]);
if (isNaN(tempFloat) === false) {
ticksObj.min = tempFloat;
} else {
console.log('ERROR: Invalid "min". ticksBlobs[0] = ', ticksBlobs[0]);
return false;
}
tempFloat = parseFloat(ticksBlobs[1]);
if (isNaN(tempFloat) === false) {
ticksObj.tickSize = tempFloat;
} else {
console.log('ERROR: Invalid "tickSize". ticksBlobs[1] = ', ticksBlobs[1]);
return false;
}
tempFloat = parseFloat(ticksBlobs[2]);
if (isNaN(tempFloat) === false) {
ticksObj.max = tempFloat;
} else {
console.log('ERROR: Invalid "max". ticksBlobs[2] = ', ticksBlobs[2]);
return false;
}
// Is the starting tick to the left of the ending tick (on the
// x-axis)? If not, set default starting and ending tick.
if (ticksObj.min >= ticksObj.max) {
console.log('ERROR: Ticks min >= max.');
return false;
}
// Make sure the range makes sense - i.e. that there are at
// least 3 ticks. If not, set a tickSize which will produce
// 11 ticks. tickSize is the spacing between the ticks.
if (ticksObj.tickSize > ticksObj.max - ticksObj.min) {
console.log('ERROR: tickSize > max - min.');
return false;
}
// units: change last tick to units
if (typeof config.plot[unitsType] === 'string') {
tempTicks = [];
for (c1 = ticksObj.min; c1 <= ticksObj.max; c1 += ticksObj.tickSize) {
c2 = roundToPrec(c1, ticksObj.tickSize);
tempTicks.push([c2, c2]);
}
tempTicks.pop();
tempTicks.push([
roundToPrec(ticksObj.max, ticksObj.tickSize),
config.plot[unitsType]
]);
ticksObj.tickSize = null;
ticksObj.ticks = tempTicks;
}
return true;
function roundToPrec(num, prec) {
var c1, tn1, tn2, digitsBefore, digitsAfter;
tn1 = Math.abs(num);
tn2 = Math.abs(prec);
// Find out number of digits BEFORE the decimal point.
c1 = 0;
tn1 = Math.abs(num);
while (tn1 >= 1) {
c1 += 1;
tn1 /= 10;
}
digitsBefore = c1;
// Find out number of digits AFTER the decimal point.
c1 = 0;
tn1 = Math.abs(num);
while (Math.round(tn1) !== tn1) {
c1 += 1;
tn1 *= 10;
}
digitsAfter = c1;
// For precision, find out number of digits AFTER the
// decimal point.
c1 = 0;
while (Math.round(tn2) !== tn2) {
c1 += 1;
tn2 *= 10;
}
// If precision is more than 1 (no digits after decimal
// points).
if (c1 === 0) {
return num;
}
// If the precision contains digits after the decimal
// point, we apply special rules.
else {
tn1 = Math.abs(num);
// if (digitsAfter > c1) {
tn1 = tn1.toFixed(c1);
// } else {
// tn1 = tn1.toPrecision(digitsBefore + digitsAfter);
// }
}
if (num < 0) {
return -tn1;
}
return tn1;
}
}
}
function setGraphXRange() {
var xRangeStr, xRangeBlobs, tempNum, allParamNames, funcString,
disableAutoReturn;
xrange = {};
if ($.isPlainObject(config.plot.xrange) === false) {
console.log(
'ERROR: Expected config.plot.xrange to be an object. ' +
'It is not.'
);
console.log('config.plot.xrange = ', config.plot.xrange);
return false;
}
if (config.plot.xrange.hasOwnProperty('min') === false) {
console.log(
'ERROR: Expected config.plot.xrange.min to be ' +
'present. It is not.'
);
return false;
}
disableAutoReturn = false;
if (typeof config.plot.xrange.min === 'string') {
funcString = config.plot.xrange.min;
} else if (
($.isPlainObject(config.plot.xrange.min) === true) &&
(config.plot.xrange.min.hasOwnProperty('#text') === true) &&
(typeof config.plot.xrange.min['#text'] === 'string')
) {
funcString = config.plot.xrange.min['#text'];
disableAutoReturn =
config.plot.xrange.min['@disable_auto_return'];
if (
(disableAutoReturn === undefined) ||
(
(typeof disableAutoReturn === 'string') &&
(disableAutoReturn.toLowerCase() !== 'true')
)
) {
disableAutoReturn = false;
} else {
disableAutoReturn = true;
}
} else {
console.log(
'ERROR: Could not get a function definition for ' +
'xrange.min property.'
);
return false;
}
funcString = $('<div>').html(funcString).text();
if (disableAutoReturn === false) {
if (funcString.search(/return/i) === -1) {
funcString = 'return ' + funcString;
}
} else {
if (funcString.search(/return/i) === -1) {
console.log(
'ERROR: You have specified a JavaScript ' +
'function without a "return" statemnt. Your ' +
'function will return "undefined" by default.'
);
}
}
allParamNames = state.getAllParameterNames();
allParamNames.push(funcString);
try {
xrange.min = Function.apply(null, allParamNames);
} catch (err) {
console.log(
'ERROR: could not create a function from the string "' +
funcString + '" for xrange.min.'
);
console.log('Error message: "' + err.message + '"');
if (state.showDebugInfo) {
$('#' + gstId).html(
'<div style="color: red;">' + 'ERROR IN ' +
'XML: Could not create a function from the string "' +
funcString + '" for xrange.min.' + '</div>'
);
$('#' + gstId).append(
'<div style="color: red;">' + 'Error ' +
'message: "' + err.message + '".' + '</div>'
);
}
return false;
}
allParamNames.pop();
if (config.plot.xrange.hasOwnProperty('max') === false) {
console.log(
'ERROR: Expected config.plot.xrange.max to be ' +
'present. It is not.'
);
return false;
}
disableAutoReturn = false;
if (typeof config.plot.xrange.max === 'string') {
funcString = config.plot.xrange.max;
} else if (
($.isPlainObject(config.plot.xrange.max) === true) &&
(config.plot.xrange.max.hasOwnProperty('#text') === true) &&
(typeof config.plot.xrange.max['#text'] === 'string')
) {
funcString = config.plot.xrange.max['#text'];
disableAutoReturn =
config.plot.xrange.max['@disable_auto_return'];
if (
(disableAutoReturn === undefined) ||
(
(typeof disableAutoReturn === 'string') &&
(disableAutoReturn.toLowerCase() !== 'true')
)
) {
disableAutoReturn = false;
} else {
disableAutoReturn = true;
}
} else {
console.log(
'ERROR: Could not get a function definition for ' +
'xrange.max property.'
);
return false;
}
funcString = $('<div>').html(funcString).text();
if (disableAutoReturn === false) {
if (funcString.search(/return/i) === -1) {
funcString = 'return ' + funcString;
}
} else {
if (funcString.search(/return/i) === -1) {
console.log(
'ERROR: You have specified a JavaScript ' +
'function without a "return" statemnt. Your ' +
'function will return "undefined" by default.'
);
}
}
allParamNames.push(funcString);
try {
xrange.max = Function.apply(null, allParamNames);
} catch (err) {
console.log(
'ERROR: could not create a function from the string "' +
funcString + '" for xrange.max.'
);
console.log('Error message: "' + err.message + '"');
if (state.showDebugInfo) {
$('#' + gstId).html(
'<div style="color: red;">' + 'ERROR IN ' +
'XML: Could not create a function from the string "' +
funcString + '" for xrange.max.' + '</div>'
);
$('#' + gstId).append(
'<div style="color: red;">' + 'Error message: "' +
err.message + '".' + '</div>'
);
}
return false;
}
allParamNames.pop();
tempNum = parseInt(config.plot.num_points, 10);
if (isFinite(tempNum) === false) {
tempNum = plotDiv.width() / 5.0;
}
if (
(tempNum < 2) &&
(tempNum > 1000)
) {
console.log(
'ERROR: Number of points is outside the allowed range ' +
'[2, 1000]'
);
console.log('config.plot.num_points = ' + tempNum);
return false;
}
numPoints = tempNum;
return true;
}
function createFunctions() {
var c1;
functions = [];
if (typeof config.functions === 'undefined') {
console.log('ERROR: config.functions is undefined.');
return;
}
if (typeof config.functions["function"] === 'string') {
// If just one function string is present.
addFunction(config.functions["function"]);
} else if ($.isPlainObject(config.functions["function"]) === true) {
// If a function is present, but it also has properties
// defined.
callAddFunction(config.functions["function"]);
} else if ($.isArray(config.functions["function"])) {
// If more than one function is defined.
for (c1 = 0; c1 < config.functions["function"].length; c1 += 1) {
// For each definition, we must check if it is a simple
// string definition, or a complex one with properties.
if (typeof config.functions["function"][c1] === 'string') {
// Simple string.
addFunction(config.functions["function"][c1]);
} else if ($.isPlainObject(config.functions["function"][c1])) {
// Properties are present.
callAddFunction(config.functions["function"][c1]);
}
}
} else {
console.log('ERROR: config.functions.function is of an unsupported type.');
return;
}
return;
// This function will reduce code duplication. We have to call
// the function addFunction() several times passing object
// properties as parameters. Rather than writing them out every
// time, we will have a single place where it is done.
function callAddFunction(obj) {
if (
(obj.hasOwnProperty('@output')) &&
(typeof obj['@output'] === 'string')
) {
// If this function is meant to be calculated for an
// element then skip it.
if ((obj['@output'].toLowerCase() === 'element') ||
(obj['@output'].toLowerCase() === 'none')) {
return;
}
// If this function is meant to be calculated for a
// dynamic element in a label then skip it.
else if (obj['@output'].toLowerCase() === 'plot_label') {
return;
}
// It is an error if '@output' is not 'element',
// 'plot_label', or 'graph'. However, if the '@output'
// attribute is omitted, we will not have reached this.
else if (obj['@output'].toLowerCase() !== 'graph') {
console.log(
'ERROR: Function "output" attribute can be ' +
'either "element", "plot_label", "none" or "graph".'
);
return;
}
}
// The user did not specify an "output" attribute, or it is
// "graph".
addFunction(
obj['#text'],
obj['@color'],
obj['@line'],
obj['@dot'],
obj['@label'],
obj['@point_size'],
obj['@fill_area'],
obj['@bar'],
obj['@disable_auto_return']
);
}
function addFunction(funcString, color, line, dot, label,
pointSize, fillArea, bar, disableAutoReturn) {
var newFunctionObject, func, paramNames, c1, rgxp;
// The main requirement is function string. Without it we can't
// create a function, and the series cannot be calculated.
if (typeof funcString !== 'string') {
return;
}
// Make sure that any HTML entities that were escaped will be
// unescaped. This is done because if a string with escaped
// HTML entities is passed to the Function() constructor, it
// will break.
funcString = $('<div>').html(funcString).text();
// If the user did not specifically turn off this feature,
// check if the function string contains a 'return', and
// prepend a 'return ' to the string if one, or more, is not
// found.
if (
(disableAutoReturn === undefined) ||
(
(typeof disableAutoReturn === 'string') &&
(disableAutoReturn.toLowerCase() !== 'true')
)
) {
if (funcString.search(/return/i) === -1) {
funcString = 'return ' + funcString;
}
} else {
if (funcString.search(/return/i) === -1) {
console.log(
'ERROR: You have specified a JavaScript ' +
'function without a "return" statemnt. Your ' +
'function will return "undefined" by default.'
);
}
}
// Some defaults. If no options are set for the graph, we will
// make sure that at least a line is drawn for a function.
newFunctionObject = {
'line': true,
'dot': false,
'bars': false
};
// Get all of the parameter names defined by the user in the
// XML.
paramNames = state.getAllParameterNames();
// The 'x' is always one of the function parameters.
paramNames.push('x');
// Must make sure that the function body also gets passed to
// the Function constructor.
paramNames.push(funcString);
// Create the function from the function string, and all of the
// available parameters AND the 'x' variable as it's parameters.
// For this we will use the built-in Function object
// constructor.
//
// If something goes wrong during this step, most
// likely the user supplied an invalid JavaScript function body
// string. In this case we will not proceed.
try {
func = Function.apply(null, paramNames);
} catch (err) {
console.log(
'ERROR: The function body "' +
funcString +
'" was not converted by the Function constructor.'
);
console.log('Error message: "' + err.message + '"');
if (state.showDebugInfo) {
$('#' + gstId).html('<div style="color: red;">' + 'ERROR IN XML: Could not create a function from the string "' + funcString + '".' + '</div>');
$('#' + gstId).append('<div style="color: red;">' + 'Error message: "' + err.message + '".' + '</div>');
}
paramNames.pop();
paramNames.pop();
return;
}
// Return the array back to original state. Remember that it is
// a pointer to original array which is stored in state object.
paramNames.pop();
paramNames.pop();
newFunctionObject['func'] = func;
if (typeof color === 'string') {
newFunctionObject['color'] = color;
}
if (typeof line === 'string') {
if (line.toLowerCase() === 'true') {
newFunctionObject['line'] = true;
} else if (line.toLowerCase() === 'false') {
newFunctionObject['line'] = false;
}
}
if (typeof dot === 'string') {
if (dot.toLowerCase() === 'true') {
newFunctionObject['dot'] = true;
} else if (dot.toLowerCase() === 'false') {
newFunctionObject['dot'] = false;
}
}
if (typeof pointSize === 'string') {
newFunctionObject['pointSize'] = pointSize;
}
if (typeof bar === 'string') {
if (bar.toLowerCase() === 'true') {
newFunctionObject['bars'] = true;
} else if (bar.toLowerCase() === 'false') {
newFunctionObject['bars'] = false;
}
}
if (newFunctionObject['bars'] === true) {
newFunctionObject['line'] = false;
newFunctionObject['dot'] = false;
// To do: See if need to do anything here.
} else if (
(newFunctionObject['dot'] === false) &&
(newFunctionObject['line'] === false)
) {
newFunctionObject['line'] = true;
}
if (newFunctionObject['line'] === true) {
if (typeof fillArea === 'string') {
if (fillArea.toLowerCase() === 'true') {
newFunctionObject['fillArea'] = true;
} else if (fillArea.toLowerCase() === 'false') {
newFunctionObject['fillArea'] = false;
} else {
console.log('ERROR: The attribute fill_area should be either "true" or "false".');
console.log('fill_area = "' + fillArea + '".');
return;
}
}
}
if (typeof label === 'string') {
newFunctionObject.specialLabel = false;
newFunctionObject.pldeHash = [];
// Let's check the label against all of the plde objects.
// plde is an abbreviation for Plot Label Dynamic Elements.
for (c1 = 0; c1 < state.plde.length; c1 += 1) {
rgxp = new RegExp(state.plde[c1].elId, 'g');
// If we find a dynamic element in the label, we will
// hash the current plde object, and indicate that this
// is a special label.
if (rgxp.test(label) === true) {
newFunctionObject.specialLabel = true;
newFunctionObject.pldeHash.push(state.plde[c1]);
}
}
newFunctionObject.label = label;
} else {
newFunctionObject.label = false;
}
functions.push(newFunctionObject);
}
}
// The callback that will be called whenever a constant changes (gets
// updated via a slider or a text input).
function onUpdatePlot(event) {
if (generateData() === true) {
updatePlot();
}
}
function generateData() {
var c0, c1, c3, functionObj, seriesObj, dataPoints, paramValues, x, y,
start, end, step, numNotUndefined;
paramValues = state.getAllParameterValues();
dataSeries = [];
for (c0 = 0; c0 < functions.length; c0 += 1) {
functionObj = functions[c0];
try {
start = xrange.min.apply(window, paramValues);
} catch (err) {
console.log('ERROR: Could not determine xrange start.');
console.log('Error message: "' + err.message + '".');
if (state.showDebugInfo) {
$('#' + gstId).html('<div style="color: red;">' + 'ERROR IN XML: Could not determine xrange start from defined function.' + '</div>');
$('#' + gstId).append('<div style="color: red;">' + 'Error message: "' + err.message + '".' + '</div>');
}
return false;
}
try {
end = xrange.max.apply(window, paramValues);
} catch (err) {
console.log('ERROR: Could not determine xrange end.');
console.log('Error message: "' + err.message + '".');
if (state.showDebugInfo) {
$('#' + gstId).html('<div style="color: red;">' + 'ERROR IN XML: Could not determine xrange end from defined function.' + '</div>');
$('#' + gstId).append('<div style="color: red;">' + 'Error message: "' + err.message + '".' + '</div>');
}
return false;
}
seriesObj = {};
dataPoints = [];
// For counting number of points added. In the end we will
// compare this number to 'numPoints' specified in the config
// JSON.
c1 = 0;
step = (end - start) / (numPoints - 1);
// Generate the data points.
for (x = start; x <= end; x += step) {
// Push the 'x' variable to the end of the parameter array.
paramValues.push(x);
// We call the user defined function, passing all of the
// available parameter values. Inside this function they
// will be accessible by their names.
try {
y = functionObj.func.apply(window, paramValues);
} catch (err) {
console.log('ERROR: Could not generate data.');
console.log('Error message: "' + err.message + '".');
if (state.showDebugInfo) {
$('#' + gstId).html('<div style="color: red;">' + 'ERROR IN XML: Could not generate data from defined function.' + '</div>');
$('#' + gstId).append('<div style="color: red;">' + 'Error message: "' + err.message + '".' + '</div>');
}
return false;
}
// Return the paramValues array to how it was before we
// added 'x' variable to the end of it.
paramValues.pop();
// Add the generated point to the data points set.
dataPoints.push([x, y]);
c1 += 1;
}
// If the last point did not get included because of rounding
// of floating-point number addition, then we will include it
// manually.
if (c1 != numPoints) {
x = end;
paramValues.push(x);
try {
y = functionObj.func.apply(window, paramValues);
} catch (err) {
console.log('ERROR: Could not generate data.');
console.log('Error message: "' + err.message + '".');
if (state.showDebugInfo) {
$('#' + gstId).html('<div style="color: red;">' + 'ERROR IN XML: Could not generate data from function.' + '</div>');
$('#' + gstId).append('<div style="color: red;">' + 'Error message: "' + err.message + '".' + '</div>');
}
return false;
}
paramValues.pop();
dataPoints.push([x, y]);
}
// Put the entire data points set into the series object.
seriesObj.data = dataPoints;
// See if user defined a specific color for this function.
if (functionObj.hasOwnProperty('color') === true) {
seriesObj.color = functionObj.color;
}
// See if a user defined a label for this function.
if (functionObj.label !== false) {
if (functionObj.specialLabel === true) {
(function (c1) {
var tempLabel;
tempLabel = functionObj.label;
while (c1 < functionObj.pldeHash.length) {
tempLabel = tempLabel.replace(
functionObj.pldeHash[c1].elId,
functionObj.pldeHash[c1].func.apply(
window,
state.getAllParameterValues()
)
);
c1 += 1;
}
seriesObj.label = tempLabel;
}(0));
} else {
seriesObj.label = functionObj.label;
}
}
// Should the data points be connected by a line?
seriesObj.lines = {
'show': functionObj.line
};
if (functionObj.hasOwnProperty('fillArea') === true) {
seriesObj.lines.fill = functionObj.fillArea;
}
// Should each data point be represented by a point on the
// graph?
seriesObj.points = {
'show': functionObj.dot
};
seriesObj.bars = {
'show': functionObj.bars,
'barWidth': graphBarWidth
};
if (graphBarAlign !== null) {
seriesObj.bars.align = graphBarAlign;
}
if (functionObj.hasOwnProperty('pointSize')) {
seriesObj.points.radius = functionObj.pointSize;
}
// Add the newly created series object to the series set which
// will be plotted by Flot.
dataSeries.push(seriesObj);
}
if (graphBarAlign === null) {
for (c0 = 0; c0 < numPoints; c0 += 1) {
// Number of points that have a value other than 'undefined' (undefined).
numNotUndefined = 0;
for (c1 = 0; c1 < dataSeries.length; c1 += 1) {
if (dataSeries[c1].bars.show === false) {
continue;
}
if (isFinite(parseInt(dataSeries[c1].data[c0][1])) === true) {
numNotUndefined += 1;
}
}
c3 = 0;
for (c1 = 0; c1 < dataSeries.length; c1 += 1) {
if (dataSeries[c1].bars.show === false) {
continue;
}
dataSeries[c1].data[c0][0] -= graphBarWidth * (0.5 * numNotUndefined - c3);
if (isFinite(parseInt(dataSeries[c1].data[c0][1])) === true) {
c3 += 1;
}
}
}
}
for (c0 = 0; c0 < asymptotes.length; c0 += 1) {
// If the user defined a label for this asympote, then the
// property 'label' will be a string (in the other case it is
// a boolean value 'false'). We will create an empty data set,
// and add to it a label. This solution is a bit _wrong_ , but
// it will have to do for now. Flot JS does not provide a way
// to add labels to markings, and we use markings to generate
// asymptotes.
if (asymptotes[c0].label !== false) {
dataSeries.push({
'data': [],
'label': asymptotes[c0].label,
'color': asymptotes[c0].color
});
}
}
return true;
} // End-of: function generateData
function updatePlot() {
var paramValues, plotObj;
paramValues = state.getAllParameterValues();
if (xaxis.tickFormatter !== null) {
xaxis.ticks = null;
}
if (yaxis.tickFormatter !== null) {
yaxis.ticks = null;
}
// Tell Flot to draw the graph to our specification.
plotObj = $.plot(
plotDiv,
dataSeries,
{
'xaxis': xaxis,
'yaxis': yaxis,
'legend': {
// To show the legend or not. Note, even if 'show' is
// 'true', the legend will only show if labels are
// provided for at least one of the series that are
// going to be plotted.
'show': true,
// A floating point number in the range [0, 1]. The
// smaller the number, the more transparent will the
// legend background become.
'backgroundOpacity': 0
},
'grid': {
'markings': generateMarkings()
}
}
);
updateMovingLabels();
// The first time that the graph gets added to the page, the legend
// is created from scratch. When it appears, MathJax works some
// magic, and all of the specially marked TeX gets rendered nicely.
// The next time when we update the graph, no such thing happens.
// We must ask MathJax to typeset the legend again (well, we will
// ask it to look at our entire graph DIV), the next time it's
// worker queue is available.
MathJax.Hub.Queue([
'Typeset',
MathJax.Hub,
plotDiv.attr('id')
]);
return;
function updateMovingLabels() {
var c1, labelCoord, pointOffset;
for (c1 = 0; c1 < movingLabels.length; c1 += 1) {
if (movingLabels[c1].el === null) {
movingLabels[c1].el = $(
'<div>' +
movingLabels[c1].labelText +
'</div>'
);
movingLabels[c1].el.css('position', 'absolute');
movingLabels[c1].el.css('color', movingLabels[c1].fontColor);
movingLabels[c1].el.css('font-weight', movingLabels[c1].fontWeight);
movingLabels[c1].el.appendTo(plotDiv);
movingLabels[c1].elWidth = movingLabels[c1].el.width();
movingLabels[c1].elHeight = movingLabels[c1].el.height();
} else {
movingLabels[c1].el.detach();
movingLabels[c1].el.appendTo(plotDiv);
}
labelCoord = movingLabels[c1].func.apply(window, paramValues);
pointOffset = plotObj.pointOffset({'x': labelCoord.x, 'y': labelCoord.y});
movingLabels[c1].el.css('left', pointOffset.left - 0.5 * movingLabels[c1].elWidth);
movingLabels[c1].el.css('top', pointOffset.top - 0.5 * movingLabels[c1].elHeight);
}
}
// Generate markings to represent asymptotes defined by the user.
// See the following function for more details:
//
// function processAsymptote()
//
function generateMarkings() {
var c1, asymptote, markings, val;
markings = [];
for (c1 = 0; c1 < asymptotes.length; c1 += 1) {
asymptote = asymptotes[c1];
try {
val = asymptote.func.apply(window, paramValues);
} catch (err) {
console.log('ERROR: Could not generate value from asymptote function.');
console.log('Error message: ', err.message);
continue;
}
if (asymptote.type === 'x') {
markings.push({
'color': asymptote.color,
'lineWidth': 2,
'xaxis': {
'from': val,
'to': val
}
});
} else {
markings.push({
'color': asymptote.color,
'lineWidth': 2,
'yaxis': {
'from': val,
'to': val
}
});
}
}
return markings;
}
}
function xAxisTickFormatter(val, axis) {
if (xTicksNames.hasOwnProperty(val.toFixed(axis.tickDecimals)) === true) {
return xTicksNames[val.toFixed(axis.tickDecimals)];
}
return '';
}
function yAxisTickFormatter(val, axis) {
if (yTicksNames.hasOwnProperty(val.toFixed(axis.tickDecimals)) === true) {
return yTicksNames[val.toFixed(axis.tickDecimals)];
}
return '';
}
}
});
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)

22
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/gst.js
View File

@@ -1,22 +0,0 @@
/*
* We will add a function that will be called for all GraphicalSliderTool
* xmodule module instances. It must be available globally by design of
* xmodule.
*/
window.GraphicalSliderTool = function (el) {
// All the work will be performed by the GstMain module. We will get access
// to it, and all it's dependencies, via Require JS. Currently Require JS
// is namespaced and is available via a global object RequireJS.
RequireJS.require(['GstMain'], function (GstMain) {
// The GstMain module expects the DOM ID of a Graphical Slider Tool
// element. Since we are given a <section> element which might in
// theory contain multiple graphical_slider_tool <div> elements (each
// with a unique DOM ID), we will iterate over all children, and for
// each match, we will call GstMain module.
$(el).children('.graphical_slider_tool').each(function (index, value) {
JavascriptLoader.executeModuleScripts($(value), function(){
GstMain($(value).attr('id'));
});
});
});
};

86
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/gst_main.js
View File

@@ -1,86 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
define(
'GstMain',
// Even though it is not explicitly in this module, we have to specify
// 'GeneralMethods' as a dependency. It expands some of the core JS objects
// with additional useful methods that are used in other modules.
['State', 'GeneralMethods', 'Sliders', 'Inputs', 'Graph', 'ElOutput', 'GLabelElOutput'],
function (State, GeneralMethods, Sliders, Inputs, Graph, ElOutput, GLabelElOutput) {
return GstMain;
function GstMain(gstId) {
var config, gstClass, state;
if ($('#' + gstId).attr('data-processed') !== 'processed') {
$('#' + gstId).attr('data-processed', 'processed');
} else {
// console.log('MESSAGE: Already processed GST with ID ' + gstId + '. Skipping.');
return;
}
// Get the JSON configuration, parse it, and store as an object.
try {
config = JSON.parse($('#' + gstId + '_json').html()).root;
} catch (err) {
console.log('ERROR: could not parse config JSON.');
console.log('$("#" + gstId + "_json").html() = ', $('#' + gstId + '_json').html());
console.log('JSON.parse(...) = ', JSON.parse($('#' + gstId + '_json').html()));
console.log('config = ', config);
return;
}
// Get the class name of the GST. All elements are assigned a class
// name that is based on the class name of the GST. For example, inputs
// are assigned a class name '{GST class name}_input'.
if (typeof config['@class'] !== 'string') {
console.log('ERROR: Could not get the class name of GST.');
console.log('config["@class"] = ', config['@class']);
return;
}
gstClass = config['@class'];
// Parse the configuration settings for parameters, and store them in a
// state object.
state = State(gstId, config);
state.showDebugInfo = false;
// It is possible that something goes wrong while extracting parameters
// from the JSON config object. In this case, we will not continue.
if (state === undefined) {
console.log('ERROR: The state object was not initialized properly.');
return;
}
// Create the sliders and the text inputs, attaching them to
// appropriate parameters.
Sliders(gstId, state);
Inputs(gstId, gstClass, state);
// Configure functions that output to an element instead of the graph.
ElOutput(config, state);
// Configure functions that output to an element instead of the graph
// label.
GLabelElOutput(config, state);
// Configure and display the graph. Attach event for the graph to be
// updated on any change of a slider or a text input.
Graph(gstId, config, state);
}
});
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)

88
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/inputs.js
View File

@@ -1,88 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
define('Inputs', [], function () {
return Inputs;
function Inputs(gstId, gstClass, state) {
var c1, paramName, allParamNames;
allParamNames = state.getAllParameterNames();
for (c1 = 0; c1 < allParamNames.length; c1 += 1) {
$('#' + gstId).find('.' + gstClass + '_input').each(function (index, value) {
var inputDiv, paramName;
paramName = allParamNames[c1];
inputDiv = $(value);
if (paramName === inputDiv.data('var')) {
createInput(inputDiv, paramName);
}
});
}
return;
function createInput(inputDiv, paramName) {
var paramObj;
paramObj = state.getParamObj(paramName);
// Check that the retrieval went OK.
if (paramObj === undefined) {
console.log('ERROR: Could not get a paramObj for parameter "' + paramName + '".');
return;
}
// Bind a function to the 'change' event. Whenever the user changes
// the value of this text input, and presses 'enter' (or clicks
// somewhere else on the page), this event will be triggered, and
// our callback will be called.
inputDiv.bind('change', inputOnChange);
inputDiv.val(paramObj.value);
// Lets style the input element nicely. We will use the button()
// widget for this since there is no native widget for the text
// input.
inputDiv.button().css({
'font': 'inherit',
'color': 'inherit',
'text-align': 'left',
'outline': 'none',
'cursor': 'text',
'height': '15px'
});
// Tell the parameter object from state that we are attaching a
// text input to it. Next time the parameter will be updated with
// a new value, tis input will also be updated.
paramObj.inputDivs.push(inputDiv);
return;
// Update the 'state' - i.e. set the value of the parameter this
// input is attached to to a new value.
//
// This will cause the plot to be redrawn each time after the user
// changes the value in the input. Note that he has to either press
// 'Enter', or click somewhere else on the page in order for the
// 'change' event to be tiggered.
function inputOnChange(event) {
var inputDiv;
inputDiv = $(this);
state.setParameterValue(paramName, inputDiv.val(), inputDiv);
}
}
}
});
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)

236
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/jstat-1.0.0.min.js vendored
View File

@@ -1,236 +0,0 @@
function jstat(){}
j=jstat;(function(){var initializing=false,fnTest=/xyz/.test(function(){xyz;})?/\b_super\b/:/.*/;this.Class=function(){};Class.extend=function(prop){var _super=this.prototype;initializing=true;var prototype=new this();initializing=false;for(var name in prop){prototype[name]=typeof prop[name]=="function"&&typeof _super[name]=="function"&&fnTest.test(prop[name])?(function(name,fn){return function(){var tmp=this._super;this._super=_super[name];var ret=fn.apply(this,arguments);this._super=tmp;return ret;};})(name,prop[name]):prop[name];}
function Class(){if(!initializing&&this.init)
this.init.apply(this,arguments);}
Class.prototype=prototype;Class.constructor=Class;Class.extend=arguments.callee;return Class;};})();jstat.ONE_SQRT_2PI=0.3989422804014327;jstat.LN_SQRT_2PI=0.9189385332046727417803297;jstat.LN_SQRT_PId2=0.225791352644727432363097614947;jstat.DBL_MIN=2.22507e-308;jstat.DBL_EPSILON=2.220446049250313e-16;jstat.SQRT_32=5.656854249492380195206754896838;jstat.TWO_PI=6.283185307179586;jstat.DBL_MIN_EXP=-999;jstat.SQRT_2dPI=0.79788456080287;jstat.LN_SQRT_PI=0.5723649429247;jstat.seq=function(min,max,length){var r=new Range(min,max,length);return r.getPoints();}
jstat.dnorm=function(x,mean,sd,log){if(mean==null)mean=0;if(sd==null)sd=1;if(log==null)log=false;var n=new NormalDistribution(mean,sd);if(!isNaN(x)){return n._pdf(x,log);}else if(x.length){var res=[];for(var i=0;i<x.length;i++){res.push(n._pdf(x[i],log));}
return res;}else{throw"Illegal argument: x";}}
jstat.pnorm=function(q,mean,sd,lower_tail,log){if(mean==null)mean=0;if(sd==null)sd=1;if(lower_tail==null)lower_tail=true;if(log==null)log=false;var n=new NormalDistribution(mean,sd);if(!isNaN(q)){return n._cdf(q,lower_tail,log);}else if(q.length){var res=[];for(var i=0;i<q.length;i++){res.push(n._cdf(q[i],lower_tail,log));}
return res;}else{throw"Illegal argument: x";}}
jstat.dlnorm=function(x,meanlog,sdlog,log){if(meanlog==null)meanlog=0;if(sdlog==null)sdlog=1;if(log==null)log=false;var n=new LogNormalDistribution(meanlog,sdlog);if(!isNaN(x)){return n._pdf(x,log);}else if(x.length){var res=[];for(var i=0;i<x.length;i++){res.push(n._pdf(x[i],log));}
return res;}else{throw"Illegal argument: x";}}
jstat.plnorm=function(q,meanlog,sdlog,lower_tail,log){if(meanlog==null)meanlog=0;if(sdlog==null)sdlog=1;if(lower_tail==null)lower_tail=true;if(log==null)log=false;var n=new LogNormalDistribution(meanlog,sdlog);if(!isNaN(q)){return n._cdf(q,lower_tail,log);}
else if(q.length){var res=[];for(var i=0;i<q.length;i++){res.push(n._cdf(q[i],lower_tail,log));}
return res;}else{throw"Illegal argument: x";}}
jstat.dbeta=function(x,alpha,beta,ncp,log){if(ncp==null)ncp=0;if(log==null)log=false;var b=new BetaDistribution(alpha,beta);if(!isNaN(x)){return b._pdf(x,log);}
else if(x.length){var res=[];for(var i=0;i<x.length;i++){res.push(b._pdf(x[i],log));}
return res;}else{throw"Illegal argument: x";}}
jstat.pbeta=function(q,alpha,beta,ncp,lower_tail,log){if(ncp==null)ncp=0;if(log==null)log=false;if(lower_tail==null)lower_tail=true;var b=new BetaDistribution(alpha,beta);if(!isNaN(q)){return b._cdf(q,lower_tail,log);}else if(q.length){var res=[];for(var i=0;i<q.length;i++){res.push(b._cdf(q[i],lower_tail,log));}
return res;}
else{throw"Illegal argument: x";}}
jstat.dgamma=function(x,shape,rate,scale,log){if(rate==null)rate=1;if(scale==null)scale=1/rate;if(log==null)log=false;var g=new GammaDistribution(shape,scale);if(!isNaN(x)){return g._pdf(x,log);}else if(x.length){var res=[];for(var i=0;i<x.length;i++){res.push(g._pdf(x[i],log));}
return res;}else{throw"Illegal argument: x";}}
jstat.pgamma=function(q,shape,rate,scale,lower_tail,log){if(rate==null)rate=1;if(scale==null)scale=1/rate;if(lower_tail==null)lower_tail=true;if(log==null)log=false;var g=new GammaDistribution(shape,scale);if(!isNaN(q)){return g._cdf(q,lower_tail,log);}else if(q.length){var res=[];for(var i=0;i<q.length;i++){res.push(g._cdf(q[i],lower_tail,log));}
return res;}else{throw"Illegal argument: x";}}
jstat.dt=function(x,df,ncp,log){if(log==null)log=false;var t=new StudentTDistribution(df,ncp);if(!isNaN(x)){return t._pdf(x,log);}else if(x.length){var res=[];for(var i=0;i<x.length;i++){res.push(t._pdf(x[i],log));}
return res;}else{throw"Illegal argument: x";}}
jstat.pt=function(q,df,ncp,lower_tail,log){if(lower_tail==null)lower_tail=true;if(log==null)log=false;var t=new StudentTDistribution(df,ncp);if(!isNaN(q)){return t._cdf(q,lower_tail,log);}else if(q.length){var res=[];for(var i=0;i<q.length;i++){res.push(t._cdf(q[i],lower_tail,log));}
return res;}else{throw"Illegal argument: x";}}
jstat.plot=function(x,y,options){if(x==null){throw"x is undefined in jstat.plot";}
if(y==null){throw"y is undefined in jstat.plot";}
if(x.length!=y.length){throw"x and y lengths differ in jstat.plot";}
var flotOpt={series:{lines:{},points:{}}};var series=[];if(x.length==undefined){series.push([x,y]);flotOpt.series.points.show=true;}else{for(var i=0;i<x.length;i++){series.push([x[i],y[i]]);}}
var title='jstat graph';if(options!=null){if(options.type!=null){if(options.type=='l'){flotOpt.series.lines.show=true;}else if(options.type=='p'){flotOpt.series.lines.show=false;flotOpt.series.points.show=true;}}
if(options.hover!=null){flotOpt.grid={hoverable:options.hover}}
if(options.main!=null){title=options.main;}}
var now=new Date();var hash=now.getMilliseconds()*now.getMinutes()+now.getSeconds();$('body').append('<div title="'+title+'" style="display: none;" id="'+hash+'"><div id="graph-'+hash+'" style="width:95%; height: 95%"></div></div>');$('#'+hash).dialog({modal:false,width:475,height:475,resizable:true,resize:function(){$.plot($('#graph-'+hash),[series],flotOpt);},open:function(event,ui){var id='#graph-'+hash;$.plot($('#graph-'+hash),[series],flotOpt);}})}
jstat.log10=function(arg){return Math.log(arg)/Math.LN10;}
jstat.toSigFig=function(num,n){if(num==0){return 0;}
var d=Math.ceil(jstat.log10(num<0?-num:num));var power=n-parseInt(d);var magnitude=Math.pow(10,power);var shifted=Math.round(num*magnitude);return shifted/magnitude;}
jstat.trunc=function(x){return(x>0)?Math.floor(x):Math.ceil(x);}
jstat.isFinite=function(x){return(!isNaN(x)&&(x!=Number.POSITIVE_INFINITY)&&(x!=Number.NEGATIVE_INFINITY));}
jstat.dopois_raw=function(x,lambda,give_log){if(lambda==0){if(x==0){return(give_log)?0.0:1.0;}
return(give_log)?Number.NEGATIVE_INFINITY:0.0;}
if(!jstat.isFinite(lambda))return(give_log)?Number.NEGATIVE_INFINITY:0.0;if(x<0)return(give_log)?Number.NEGATIVE_INFINITY:0.0;if(x<=lambda*jstat.DBL_MIN){return(give_log)?-lambda:Math.exp(-lambda);}
if(lambda<x*jstat.DBL_MIN){var param=-lambda+x*Math.log(lambda)-jstat.lgamma(x+1);return(give_log)?param:Math.exp(param);}
var param1=jstat.TWO_PI*x;var param2=-jstat.stirlerr(x)-jstat.bd0(x,lambda);return(give_log)?-0.5*Math.log(param1)+param2:Math.exp(param2)/Math.sqrt(param1);}
jstat.bd0=function(x,np){var ej,s,s1,v,j;if(!jstat.isFinite(x)||!jstat.isFinite(np)||np==0.0)throw"illegal parameter in jstat.bd0";if(Math.abs(x-np)>0.1*(x+np)){v=(x-np)/(x+np);s=(x-np)*v;ej=2*x*v;v=v*v;for(j=1;;j++){ej*=v;s1=s+ej/((j<<1)+1);if(s1==s)
return(s1);s=s1;}}
return(x*Math.log(x/np)+np-x);}
jstat.stirlerr=function(n){var S0=0.083333333333333333333;var S1=0.00277777777777777777778;var S2=0.00079365079365079365079365;var S3=0.000595238095238095238095238;var S4=0.0008417508417508417508417508;var sferr_halves=[0.0,0.1534264097200273452913848,0.0810614667953272582196702,0.0548141210519176538961390,0.0413406959554092940938221,0.03316287351993628748511048,0.02767792568499833914878929,0.02374616365629749597132920,0.02079067210376509311152277,0.01848845053267318523077934,0.01664469118982119216319487,0.01513497322191737887351255,0.01387612882307074799874573,0.01281046524292022692424986,0.01189670994589177009505572,0.01110455975820691732662991,0.010411265261972096497478567,0.009799416126158803298389475,0.009255462182712732917728637,0.008768700134139385462952823,0.008330563433362871256469318,0.007934114564314020547248100,0.007573675487951840794972024,0.007244554301320383179543912,0.006942840107209529865664152,0.006665247032707682442354394,0.006408994188004207068439631,0.006171712263039457647532867,0.005951370112758847735624416,0.005746216513010115682023589,0.005554733551962801371038690];var nn;if(n<=15.0){nn=n+n;if(nn==parseInt(nn))return(sferr_halves[parseInt(nn)]);return(jstat.lgamma(n+1.0)-(n+0.5)*Math.log(n)+n-jstat.LN_SQRT_2PI);}
nn=n*n;if(n>500)return((S0-S1/nn)/n);if(n>80)return((S0-(S1-S2/nn)/nn)/n);if(n>35)return((S0-(S1-(S2-S3/nn)/nn)/nn)/n);return((S0-(S1-(S2-(S3-S4/nn)/nn)/nn)/nn)/n);}
jstat.lgamma=function(x){function lgammafn_sign(x,sgn){var ans,y,sinpiy;var xmax=2.5327372760800758e+305;var dxrel=1.490116119384765696e-8;if(sgn!=null)sgn=1;if(isNaN(x))return x;if(x<0&&(Math.floor(-x)%2.0)==0)
if(sgn!=null)sgn=-1;if(x<=0&&x==jstat.trunc(x)){console.warn("Negative integer argument in lgammafn_sign");return Number.POSITIVE_INFINITY;}
y=Math.abs(x);if(y<=10)return Math.log(Math.abs(jstat.gamma(x)));if(y>xmax){console.warn("Illegal arguement passed to lgammafn_sign");return Number.POSITIVE_INFINITY;}
if(x>0){if(x>1e17){return(x*(Math.log(x)-1.0));}else if(x>4934720.0){return(jstat.LN_SQRT_2PI+(x-0.5)*Math.log(x)-x);}else{return jstat.LN_SQRT_2PI+(x-0.5)*Math.log(x)-x+jstat.lgammacor(x);}}
sinpiy=Math.abs(Math.sin(Math.PI*y));if(sinpiy==0){throw"Should never happen!!";}
ans=jstat.LN_SQRT_PId2+(x-0.5)*Math.log(y)-x-Math.log(sinpiy)-jstat.lgammacor(y);if(Math.abs((x-jstat.trunc(x-0.5))*ans/x)<dxrel){throw"The answer is less than half the precision argument too close to a negative integer";}
return ans;}
return lgammafn_sign(x,null);}
jstat.gamma=function(x){var xbig=171.624;var p=[-1.71618513886549492533811,24.7656508055759199108314,-379.804256470945635097577,629.331155312818442661052,866.966202790413211295064,-31451.2729688483675254357,-36144.4134186911729807069,66456.1438202405440627855];var q=[-30.8402300119738975254353,315.350626979604161529144,-1015.15636749021914166146,-3107.77167157231109440444,22538.1184209801510330112,4755.84627752788110767815,-134659.959864969306392456,-115132.259675553483497211];var c=[-.001910444077728,8.4171387781295e-4,-5.952379913043012e-4,7.93650793500350248e-4,-.002777777777777681622553,.08333333333333333331554247,.0057083835261];var i,n,parity,fact,xden,xnum,y,z,yi,res,sum,ysq;parity=(0);fact=1.0;n=0;y=x;if(y<=0.0){y=-x;yi=jstat.trunc(y);res=y-yi;if(res!=0.0){if(yi!=jstat.trunc(yi*0.5)*2.0)
parity=(1);fact=-Math.PI/Math.sin(Math.PI*res);y+=1.0;}else{return(Number.POSITIVE_INFINITY);}}
if(y<jstat.DBL_EPSILON){if(y>=jstat.DBL_MIN){res=1.0/y;}else{return(Number.POSITIVE_INFINITY);}}else if(y<12.0){yi=y;if(y<1.0){z=y;y+=1.0;}else{n=parseInt(y)-1;y-=parseFloat(n);z=y-1.0;}
xnum=0.0;xden=1.0;for(i=0;i<8;++i){xnum=(xnum+p[i])*z;xden=xden*z+q[i];}
res=xnum/xden+1.0;if(yi<y){res/=yi;}else if(yi>y){for(i=0;i<n;++i){res*=y;y+=1.0;}}}else{if(y<=xbig){ysq=y*y;sum=c[6];for(i=0;i<6;++i){sum=sum/ysq+c[i];}
sum=sum/y-y+jstat.LN_SQRT_2PI;sum+=(y-0.5)*Math.log(y);res=Math.exp(sum);}else{return(Number.POSITIVE_INFINITY);}}
if(parity)
res=-res;if(fact!=1.0)
res=fact/res;return res;}
jstat.lgammacor=function(x){var algmcs=[+.1666389480451863247205729650822e+0,-.1384948176067563840732986059135e-4,+.9810825646924729426157171547487e-8,-.1809129475572494194263306266719e-10,+.6221098041892605227126015543416e-13,-.3399615005417721944303330599666e-15,+.2683181998482698748957538846666e-17,-.2868042435334643284144622399999e-19,+.3962837061046434803679306666666e-21,-.6831888753985766870111999999999e-23,+.1429227355942498147573333333333e-24,-.3547598158101070547199999999999e-26,+.1025680058010470912000000000000e-27,-.3401102254316748799999999999999e-29,+.1276642195630062933333333333333e-30];var tmp;var nalgm=5;var xbig=94906265.62425156;var xmax=3.745194030963158e306;if(x<10){return Number.NaN;}else if(x>=xmax){throw"Underflow error in lgammacor";}else if(x<xbig){tmp=10/x;return jstat.chebyshev(tmp*tmp*2-1,algmcs,nalgm)/x;}
return 1/(x*12);}
jstat.incompleteBeta=function(a,b,x){function betacf(a,b,x){var MAXIT=100;var EPS=3.0e-12;var FPMIN=1.0e-30;var m,m2,aa,c,d,del,h,qab,qam,qap;qab=a+b;qap=a+1.0;qam=a-1.0;c=1.0;d=1.0-qab*x/qap;if(Math.abs(d)<FPMIN){d=FPMIN;}
d=1.0/d;h=d;for(m=1;m<=MAXIT;m++){m2=2*m;aa=m*(b-m)*x/((qam+m2)*(a+m2));d=1.0+aa*d;if(Math.abs(d)<FPMIN){d=FPMIN;}
c=1.0+aa/c;if(Math.abs(c)<FPMIN){c=FPMIN;}
d=1.0/d;h*=d*c;aa=-(a+m)*(qab+m)*x/((a+m2)*(qap+m2));d=1.0+aa*d;if(Math.abs(d)<FPMIN){d=FPMIN;}
c=1.0+aa/c;if(Math.abs(c)<FPMIN){c=FPMIN;}
d=1.0/d;del=d*c;h*=del;if(Math.abs(del-1.0)<EPS){break;}}
if(m>MAXIT){console.warn("a or b too big, or MAXIT too small in betacf: "+a+", "+b+", "+x+", "+h);return h;}
if(isNaN(h)){console.warn(a+", "+b+", "+x);}
return h;}
var bt;if(x<0.0||x>1.0){throw"bad x in routine incompleteBeta";}
if(x==0.0||x==1.0){bt=0.0;}else{bt=Math.exp(jstat.lgamma(a+b)-jstat.lgamma(a)-jstat.lgamma(b)+a*Math.log(x)+b*Math.log(1.0-x));}
if(x<(a+1.0)/(a+b+2.0)){return bt*betacf(a,b,x)/a;}else{return 1.0-bt*betacf(b,a,1.0-x)/b;}}
jstat.chebyshev=function(x,a,n){var b0,b1,b2,twox;var i;if(n<1||n>1000)return Number.NaN;if(x<-1.1||x>1.1)return Number.NaN;twox=x*2;b2=b1=0;b0=0;for(i=1;i<=n;i++){b2=b1;b1=b0;b0=twox*b1-b2+a[n-i];}
return(b0-b2)*0.5;}
jstat.fmin2=function(x,y){return(x<y)?x:y;}
jstat.log1p=function(x){var ret=0,n=50;if(x<=-1){return Number.NEGATIVE_INFINITY;}
if(x<0||x>1){return Math.log(1+x);}
for(var i=1;i<n;i++){if((i%2)===0){ret-=Math.pow(x,i)/i;}else{ret+=Math.pow(x,i)/i;}}
return ret;}
jstat.expm1=function(x){var y,a=Math.abs(x);if(a<jstat.DBL_EPSILON)return x;if(a>0.697)return Math.exp(x)-1;if(a>1e-8){y=Math.exp(x)-1;}else{y=(x/2+1)*x;}
y-=(1+y)*(jstat.log1p(y)-x);return y;}
jstat.logBeta=function(a,b){var corr,p,q;p=q=a;if(b<p)p=b;if(b>q)q=b;if(p<0){console.warn('Both arguements must be >= 0');return Number.NaN;}
else if(p==0){return Number.POSITIVE_INFINITY;}
else if(!jstat.isFinite(q)){return Number.NEGATIVE_INFINITY;}
if(p>=10){corr=jstat.lgammacor(p)+jstat.lgammacor(q)-jstat.lgammacor(p+q);return Math.log(q)*-0.5+jstat.LN_SQRT_2PI+corr
+(p-0.5)*Math.log(p/(p+q))+q*jstat.log1p(-p/(p+q));}
else if(q>=10){corr=jstat.lgammacor(q)-jstat.lgammacor(p+q);return jstat.lgamma(p)+corr+p-p*Math.log(p+q)
+(q-0.5)*jstat.log1p(-p/(p+q));}
else
return Math.log(jstat.gamma(p)*(jstat.gamma(q)/jstat.gamma(p+q)));}
jstat.dbinom_raw=function(x,n,p,q,give_log){if(give_log==null)give_log=false;var lf,lc;if(p==0){if(x==0){return(give_log)?0.0:1.0;}else{return(give_log)?Number.NEGATIVE_INFINITY:0.0;}}
if(q==0){if(x==n){return(give_log)?0.0:1.0;}else{return(give_log)?Number.NEGATIVE_INFINITY:0.0;}}
if(x==0){if(n==0)return(give_log)?0.0:1.0;lc=(p<0.1)?-jstat.bd0(n,n*q)-n*p:n*Math.log(q);return(give_log)?lc:Math.exp(lc);}
if(x==n){lc=(q<0.1)?-jstat.bd0(n,n*p)-n*q:n*Math.log(p);return(give_log)?lc:Math.exp(lc);}
if(x<0||x>n)return(give_log)?Number.NEGATIVE_INFINITY:0.0;lc=jstat.stirlerr(n)-jstat.stirlerr(x)-jstat.stirlerr(n-x)-jstat.bd0(x,n*p)-jstat.bd0(n-x,n*q);lf=Math.log(jstat.TWO_PI)+Math.log(x)+jstat.log1p(-x/n);return(give_log)?lc-0.5*lf:Math.exp(lc-0.5*lf);}
jstat.max=function(values){var max=Number.NEGATIVE_INFINITY;for(var i=0;i<values.length;i++){if(values[i]>max){max=values[i];}}
return max;}
var Range=Class.extend({init:function(min,max,numPoints){this._minimum=parseFloat(min);this._maximum=parseFloat(max);this._numPoints=parseFloat(numPoints);},getMinimum:function(){return this._minimum;},getMaximum:function(){return this._maximum;},getNumPoints:function(){return this._numPoints;},getPoints:function(){var results=[];var x=this._minimum;var step=(this._maximum-this._minimum)/(this._numPoints-1);for(var i=0;i<this._numPoints;i++){results[i]=parseFloat(x.toFixed(6));x+=step;}
return results;}});Range.validate=function(range){if(!range instanceof Range){return false;}
if(isNaN(range.getMinimum())||isNaN(range.getMaximum())||isNaN(range.getNumPoints())||range.getMaximum()<range.getMinimum()||range.getNumPoints()<=0){return false;}
return true;}
var ContinuousDistribution=Class.extend({init:function(name){this._name=name;},toString:function(){return this._string;},getName:function(){return this._name;},getClassName:function(){return this._name+'Distribution';},density:function(valueOrRange){if(!isNaN(valueOrRange)){return parseFloat(this._pdf(valueOrRange).toFixed(15));}else if(Range.validate(valueOrRange)){var points=valueOrRange.getPoints();var result=[];for(var i=0;i<points.length;i++){result[i]=parseFloat(this._pdf(points[i]));}
return result;}else{throw"Invalid parameter supplied to "+this.getClassName()+".density()";}},cumulativeDensity:function(valueOrRange){if(!isNaN(valueOrRange)){return parseFloat(this._cdf(valueOrRange).toFixed(15));}else if(Range.validate(valueOrRange)){var points=valueOrRange.getPoints();var result=[];for(var i=0;i<points.length;i++){result[i]=parseFloat(this._cdf(points[i]));}
return result;}else{throw"Invalid parameter supplied to "+this.getClassName()+".cumulativeDensity()";}},getRange:function(standardDeviations,numPoints){if(standardDeviations==null){standardDeviations=5;}
if(numPoints==null){numPoints=100;}
var min=this.getMean()-standardDeviations*Math.sqrt(this.getVariance());var max=this.getMean()+standardDeviations*Math.sqrt(this.getVariance());if(this.getClassName()=='GammaDistribution'||this.getClassName()=='LogNormalDistribution'){min=0.0;max=this.getMean()+standardDeviations*Math.sqrt(this.getVariance());}else if(this.getClassName()=='BetaDistribution'){min=0.0;max=1.0;}
var range=new Range(min,max,numPoints);return range;},getVariance:function(){},getMean:function(){},getQuantile:function(p){var self=this;function findClosestMatch(range,p){var ERR=1.0e-5;var xs=range.getPoints();var closestIndex=0;var closestDistance=999;for(var i=0;i<xs.length;i++){var pp=self.cumulativeDensity(xs[i]);var distance=Math.abs(pp-p);if(distance<closestDistance){closestIndex=i;closestDistance=distance;}}
if(closestDistance<=ERR){return xs[closestIndex];}else{var newRange=new Range(xs[closestIndex-1],xs[closestIndex+1],20);return findClosestMatch(newRange,p);}}
var range=this.getRange(5,20);return findClosestMatch(range,p);}});var NormalDistribution=ContinuousDistribution.extend({init:function(mean,sigma){this._super('Normal');this._mean=parseFloat(mean);this._sigma=parseFloat(sigma);this._string="Normal ("+this._mean.toFixed(2)+", "+this._sigma.toFixed(2)+")";},_pdf:function(x,give_log){if(give_log==null){give_log=false;}
var sigma=this._sigma;var mu=this._mean;if(!jstat.isFinite(sigma)){return(give_log)?Number.NEGATIVE_INFINITY:0.0}
if(!jstat.isFinite(x)&&mu==x){return Number.NaN;}
if(sigma<=0){if(sigma<0){throw"invalid sigma in _pdf";}
return(x==mu)?Number.POSITIVE_INFINITY:(give_log)?Number.NEGATIVE_INFINITY:0.0;}
x=(x-mu)/sigma;if(!jstat.isFinite(x)){return(give_log)?Number.NEGATIVE_INFINITY:0.0;}
return(give_log?-(jstat.LN_SQRT_2PI+0.5*x*x+Math.log(sigma)):jstat.ONE_SQRT_2PI*Math.exp(-0.5*x*x)/sigma);},_cdf:function(x,lower_tail,log_p){if(lower_tail==null)lower_tail=true;if(log_p==null)log_p=false;function pnorm_both(x,cum,ccum,i_tail,log_p){var a=[2.2352520354606839287,161.02823106855587881,1067.6894854603709582,18154.981253343561249,0.065682337918207449113];var b=[47.20258190468824187,976.09855173777669322,10260.932208618978205,45507.789335026729956];var c=[0.39894151208813466764,8.8831497943883759412,93.506656132177855979,597.27027639480026226,2494.5375852903726711,6848.1904505362823326,11602.651437647350124,9842.7148383839780218,1.0765576773720192317e-8];var d=[22.266688044328115691,235.38790178262499861,1519.377599407554805,6485.558298266760755,18615.571640885098091,34900.952721145977266,38912.003286093271411,19685.429676859990727];var p=[0.21589853405795699,0.1274011611602473639,0.022235277870649807,0.001421619193227893466,2.9112874951168792e-5,0.02307344176494017303];var q=[1.28426009614491121,0.468238212480865118,0.0659881378689285515,0.00378239633202758244,7.29751555083966205e-5];var xden,xnum,temp,del,eps,xsq,y,i,lower,upper;eps=jstat.DBL_EPSILON*0.5;lower=i_tail!=1;upper=i_tail!=0;y=Math.abs(x);if(y<=0.67448975){if(y>eps){xsq=x*x;xnum=a[4]*xsq;xden=xsq;for(i=0;i<3;++i){xnum=(xnum+a[i])*xsq;xden=(xden+b[i])*xsq;}}else{xnum=xden=0.0;}
temp=x*(xnum+a[3])/(xden+b[3]);if(lower)cum=0.5+temp;if(upper)ccum=0.5-temp;if(log_p){if(lower)cum=Math.log(cum);if(upper)ccum=Math.log(ccum);}}else if(y<=jstat.SQRT_32){xnum=c[8]*y;xden=y;for(i=0;i<7;++i){xnum=(xnum+c[i])*y;xden=(xden+d[i])*y;}
temp=(xnum+c[7])/(xden+d[7]);xsq=jstat.trunc(x*16)/16;del=(x-xsq)*(x+xsq);if(log_p){cum=(-xsq*xsq*0.5)+(-del*0.5)+Math.log(temp);if((lower&&x>0.)||(upper&&x<=0.))
ccum=jstat.log1p(-Math.exp(-xsq*xsq*0.5)*Math.exp(-del*0.5)*temp);}
else{cum=Math.exp(-xsq*xsq*0.5)*Math.exp(-del*0.5)*temp;ccum=1.0-cum;}
if(x>0.0){temp=cum;if(lower){cum=ccum;}
ccum=temp;}}
else if((log_p&&y<1e170)||(lower&&-37.5193<x&&x<8.2924)||(upper&&-8.2924<x&&x<37.5193)){xsq=1.0/(x*x);xnum=p[5]*xsq;xden=xsq;for(i=0;i<4;++i){xnum=(xnum+p[i])*xsq;xden=(xden+q[i])*xsq;}
temp=xsq*(xnum+p[4])/(xden+q[4]);temp=(jstat.ONE_SQRT_2PI-temp)/y;xsq=jstat.trunc(x*16)/16;del=(x-xsq)*(x+xsq);if(log_p){cum=(-xsq*xsq*0.5)+(-del*0.5)+Math.log(temp);if((lower&&x>0.)||(upper&&x<=0.))
ccum=jstat.log1p(-Math.exp(-xsq*xsq*0.5)*Math.exp(-del*0.5)*temp);}
else{cum=Math.exp(-xsq*xsq*0.5)*Math.exp(-del*0.5)*temp;ccum=1.0-cum;}
if(x>0.0){temp=cum;if(lower){cum=ccum;}
ccum=temp;}}else{if(x>0){cum=(log_p)?0.0:1.0;ccum=(log_p)?Number.NEGATIVE_INFINITY:0.0;}else{cum=(log_p)?Number.NEGATIVE_INFINITY:0.0;ccum=(log_p)?0.0:1.0;}}
return[cum,ccum];}
var p,cp;var mu=this._mean;var sigma=this._sigma;var R_DT_0,R_DT_1;if(lower_tail){if(log_p){R_DT_0=Number.NEGATIVE_INFINITY;R_DT_1=0.0;}else{R_DT_0=0.0;R_DT_1=1.0;}}else{if(log_p){R_DT_0=0.0;R_DT_1=Number.NEGATIVE_INFINITY;}else{R_DT_0=1.0;R_DT_1=0.0;}}
if(!jstat.isFinite(x)&&mu==x)return Number.NaN;if(sigma<=0){if(sigma<0){console.warn("Sigma is less than 0");return Number.NaN;}
return(x<mu)?R_DT_0:R_DT_1;}
p=(x-mu)/sigma;if(!jstat.isFinite(p)){return(x<mu)?R_DT_0:R_DT_1;}
x=p;var result=pnorm_both(x,p,cp,(lower_tail?false:true),log_p);return(lower_tail?result[0]:result[1]);},getMean:function(){return this._mean;},getSigma:function(){return this._sigma;},getVariance:function(){return this._sigma*this._sigma;}});var LogNormalDistribution=ContinuousDistribution.extend({init:function(location,scale){this._super('LogNormal')
this._location=parseFloat(location);this._scale=parseFloat(scale);this._string="LogNormal ("+this._location.toFixed(2)+", "+this._scale.toFixed(2)+")";},_pdf:function(x,give_log){var y;var sdlog=this._scale;var meanlog=this._location;if(give_log==null){give_log=false;}
if(sdlog<=0)throw"Illegal parameter in _pdf";if(x<=0){return(give_log)?Number.NEGATIVE_INFINITY:0.0;}
y=(Math.log(x)-meanlog)/sdlog;return(give_log?-(jstat.LN_SQRT_2PI+0.5*y*y+Math.log(x*sdlog)):jstat.ONE_SQRT_2PI*Math.exp(-0.5*y*y)/(x*sdlog));},_cdf:function(x,lower_tail,log_p){var sdlog=this._scale;var meanlog=this._location;if(lower_tail==null){lower_tail=true;}
if(log_p==null){log_p=false;}
if(sdlog<=0){throw"illegal std in _cdf";}
if(x>0){var nd=new NormalDistribution(meanlog,sdlog);return nd._cdf(Math.log(x),lower_tail,log_p);}
if(lower_tail){return(log_p)?Number.NEGATIVE_INFINITY:0.0;}else{return(log_p)?0.0:1.0;}},getLocation:function(){return this._location;},getScale:function(){return this._scale;},getMean:function(){return Math.exp((this._location+this._scale)/2);},getVariance:function(){var ans=(Math.exp(this._scale)-1)*Math.exp(2*this._location+this._scale);return ans;}});var GammaDistribution=ContinuousDistribution.extend({init:function(shape,scale){this._super('Gamma');this._shape=parseFloat(shape);this._scale=parseFloat(scale);this._string="Gamma ("+this._shape.toFixed(2)+", "+this._scale.toFixed(2)+")";},_pdf:function(x,give_log){var pr;var shape=this._shape;var scale=this._scale;if(give_log==null){give_log=false;}
if(shape<0||scale<=0){throw"Illegal argument in _pdf";}
if(x<0){return(give_log)?Number.NEGATIVE_INFINITY:0.0;}
if(shape==0){return(x==0)?Number.POSITIVE_INFINITY:(give_log)?Number.NEGATIVE_INFINITY:0.0;}
if(x==0){if(shape<1)return Number.POSITIVE_INFINITY;if(shape>1)return(give_log)?Number.NEGATIVE_INFINITY:0.0;return(give_log)?-Math.log(scale):1/scale;}
if(shape<1){pr=jstat.dopois_raw(shape,x/scale,give_log);return give_log?pr+Math.log(shape/x):pr*shape/x;}
pr=jstat.dopois_raw(shape-1,x/scale,give_log);return give_log?pr-Math.log(scale):pr/scale;},_cdf:function(x,lower_tail,log_p){function USE_PNORM(){pn1=Math.sqrt(alph)*3.0*(Math.pow(x/alph,1.0/3.0)+1.0/(9.0*alph)-1.0);var norm_dist=new NormalDistribution(0.0,1.0);return norm_dist._cdf(pn1,lower_tail,log_p);}
if(lower_tail==null)lower_tail=true;if(log_p==null)log_p=false;var alph=this._shape;var scale=this._scale;var xbig=1.0e+8;var xlarge=1.0e+37;var alphlimit=1e5;var pn1,pn2,pn3,pn4,pn5,pn6,arg,a,b,c,an,osum,sum,n,pearson;if(alph<=0.||scale<=0.){console.warn('Invalid gamma params in _cdf');return Number.NaN;}
x/=scale;if(isNaN(x))return x;if(x<=0.0){if(lower_tail){return(log_p)?Number.NEGATIVE_INFINITY:0.0;}else{return(log_p)?0.0:1.0;}}
if(alph>alphlimit){return USE_PNORM();}
if(x>xbig*alph){if(x>jstat.DBL_MAX*alph){if(lower_tail){return(log_p)?0.0:1.0;}else{return(log_p)?Number.NEGATIVE_INFINITY:0.0;}}else{return USE_PNORM();}}
if(x<=1.0||x<alph){pearson=1;arg=alph*Math.log(x)-x-jstat.lgamma(alph+1.0);c=1.0;sum=1.0;a=alph;do{a+=1.0;c*=x/a;sum+=c;}while(c>jstat.DBL_EPSILON*sum);}else{pearson=0;arg=alph*Math.log(x)-x-jstat.lgamma(alph);a=1.-alph;b=a+x+1.;pn1=1.;pn2=x;pn3=x+1.;pn4=x*b;sum=pn3/pn4;for(n=1;;n++){a+=1.;b+=2.;an=a*n;pn5=b*pn3-an*pn1;pn6=b*pn4-an*pn2;if(Math.abs(pn6)>0.){osum=sum;sum=pn5/pn6;if(Math.abs(osum-sum)<=jstat.DBL_EPSILON*jstat.fmin2(1.0,sum))
break;}
pn1=pn3;pn2=pn4;pn3=pn5;pn4=pn6;if(Math.abs(pn5)>=xlarge){pn1/=xlarge;pn2/=xlarge;pn3/=xlarge;pn4/=xlarge;}}}
arg+=Math.log(sum);lower_tail=(lower_tail==pearson);if(log_p&&lower_tail)
return(arg);if(lower_tail){return Math.exp(arg);}else{if(log_p){return(arg>-Math.LN2)?Math.log(-jstat.expm1(arg)):jstat.log1p(-Math.exp(arg));}else{return-jstat.expm1(arg);}}},getShape:function(){return this._shape;},getScale:function(){return this._scale;},getMean:function(){return this._shape*this._scale;},getVariance:function(){return this._shape*Math.pow(this._scale,2);}});var BetaDistribution=ContinuousDistribution.extend({init:function(alpha,beta){this._super('Beta');this._alpha=parseFloat(alpha);this._beta=parseFloat(beta);this._string="Beta ("+this._alpha.toFixed(2)+", "+this._beta.toFixed(2)+")";},_pdf:function(x,give_log){if(give_log==null)give_log=false;var a=this._alpha;var b=this._beta;var lval;if(a<=0||b<=0){console.warn('Illegal arguments in _pdf');return Number.NaN;}
if(x<0||x>1){return(give_log)?Number.NEGATIVE_INFINITY:0.0;}
if(x==0){if(a>1){return(give_log)?Number.NEGATIVE_INFINITY:0.0;}
if(a<1){return Number.POSITIVE_INFINITY;}
return(give_log)?Math.log(b):b;}
if(x==1){if(b>1){return(give_log)?Number.NEGATIVE_INFINITY:0.0;}
if(b<1){return Number.POSITIVE_INFINITY;}
return(give_log)?Math.log(a):a;}
if(a<=2||b<=2){lval=(a-1)*Math.log(x)+(b-1)*jstat.log1p(-x)-jstat.logBeta(a,b);}else{lval=Math.log(a+b-1)+jstat.dbinom_raw(a-1,a+b-2,x,1-x,true);}
return(give_log)?lval:Math.exp(lval);},_cdf:function(x,lower_tail,log_p){if(lower_tail==null)lower_tail=true;if(log_p==null)log_p=false;var pin=this._alpha;var qin=this._beta;if(pin<=0||qin<=0){console.warn('Invalid argument in _cdf');return Number.NaN;}
if(x<=0){if(lower_tail){return(log_p)?Number.NEGATIVE_INFINITY:0.0;}else{return(log_p)?0.1:1.0;}}
if(x>=1){if(lower_tail){return(log_p)?0.1:1.0;}else{return(log_p)?Number.NEGATIVE_INFINITY:0.0;}}
return jstat.incompleteBeta(pin,qin,x);},getAlpha:function(){return this._alpha;},getBeta:function(){return this._beta;},getMean:function(){return this._alpha/(this._alpha+this._beta);},getVariance:function(){var ans=(this._alpha*this._beta)/(Math.pow(this._alpha+this._beta,2)*(this._alpha+this._beta+1));return ans;}});var StudentTDistribution=ContinuousDistribution.extend({init:function(degreesOfFreedom,mu){this._super('StudentT');this._dof=parseFloat(degreesOfFreedom);if(mu!=null){this._mu=parseFloat(mu);this._string="StudentT ("+this._dof.toFixed(2)+", "+this._mu.toFixed(2)+")";}else{this._mu=0.0;this._string="StudentT ("+this._dof.toFixed(2)+")";}},_pdf:function(x,give_log){if(give_log==null)give_log=false;if(this._mu==null){return this._dt(x,give_log);}else{var y=this._dnt(x,give_log);if(y>1){console.warn('x:'+x+', y: '+y);}
return y;}},_cdf:function(x,lower_tail,give_log){if(lower_tail==null)lower_tail=true;if(give_log==null)give_log=false;if(this._mu==null){return this._pt(x,lower_tail,give_log);}else{return this._pnt(x,lower_tail,give_log);}},_dt:function(x,give_log){var t,u;var n=this._dof;if(n<=0){console.warn('Invalid parameters in _dt');return Number.NaN;}
if(!jstat.isFinite(x)){return(give_log)?Number.NEGATIVE_INFINITY:0.0;}
if(!jstat.isFinite(n)){var norm=new NormalDistribution(0.0,1.0);return norm.density(x,give_log);}
t=-jstat.bd0(n/2.0,(n+1)/2.0)+jstat.stirlerr((n+1)/2.0)-jstat.stirlerr(n/2.0);if(x*x>0.2*n)
u=Math.log(1+x*x/n)*n/2;else
u=-jstat.bd0(n/2.0,(n+x*x)/2.0)+x*x/2.0;var p1=jstat.TWO_PI*(1+x*x/n);var p2=t-u;return(give_log)?-0.5*Math.log(p1)+p2:Math.exp(p2)/Math.sqrt(p1);},_dnt:function(x,give_log){if(give_log==null)give_log=false;var df=this._dof;var ncp=this._mu;var u;if(df<=0.0){console.warn("Illegal arguments _dnf");return Number.NaN;}
if(ncp==0.0){return this._dt(x,give_log);}
if(!jstat.isFinite(x)){if(give_log){return Number.NEGATIVE_INFINITY;}else{return 0.0;}}
if(!isFinite(df)||df>1e8){var dist=new NormalDistribution(ncp,1.);return dist.density(x,give_log);}
if(Math.abs(x)>Math.sqrt(df*jstat.DBL_EPSILON)){var newT=new StudentTDistribution(df+2,ncp);u=Math.log(df)-Math.log(Math.abs(x))+
Math.log(Math.abs(newT._pnt(x*Math.sqrt((df+2)/df),true,false)-
this._pnt(x,true,false)));}
else{u=jstat.lgamma((df+1)/2)-jstat.lgamma(df/2)
-.5*(Math.log(Math.PI)+Math.log(df)+ncp*ncp);}
return(give_log?u:Math.exp(u));},_pt:function(x,lower_tail,log_p){if(lower_tail==null)lower_tail=true;if(log_p==null)log_p=false;var val,nx;var n=this._dof;var DT_0,DT_1;if(lower_tail){if(log_p){DT_0=Number.NEGATIVE_INFINITY;DT_1=1.;}else{DT_0=0.;DT_1=1.;}}else{if(log_p){DT_0=0.;DT_1=Number.NEGATIVE_INFINITY;}else{DT_0=1.;DT_1=0.;}}
if(n<=0.0){console.warn("Invalid T distribution _pt");return Number.NaN;}
var norm=new NormalDistribution(0,1);if(!jstat.isFinite(x)){return(x<0)?DT_0:DT_1;}
if(!jstat.isFinite(n)){return norm._cdf(x,lower_tail,log_p);}
if(n>4e5){val=1./(4.*n);return norm._cdf(x*(1.-val)/sqrt(1.+x*x*2.*val),lower_tail,log_p);}
nx=1+(x/n)*x;if(nx>1e100){var lval;lval=-0.5*n*(2*Math.log(Math.abs(x))-Math.log(n))
-jstat.logBeta(0.5*n,0.5)-Math.log(0.5*n);val=log_p?lval:Math.exp(lval);}else{if(n>x*x){var beta=new BetaDistribution(0.5,n/2.);return beta._cdf(x*x/(n+x*x),false,log_p);}else{beta=new BetaDistribution(n/2.,0.5);return beta._cdf(1./nx,true,log_p);}}
if(x<=0.)
lower_tail=!lower_tail;if(log_p){if(lower_tail)return jstat.log1p(-0.5*Math.exp(val));else return val-M_LN2;}
else{val/=2.;if(lower_tail){return(0.5-val+0.5);}else{return val;}}},_pnt:function(t,lower_tail,log_p){var dof=this._dof;var ncp=this._mu;var DT_0,DT_1;if(lower_tail){if(log_p){DT_0=Number.NEGATIVE_INFINITY;DT_1=1.;}else{DT_0=0.;DT_1=1.;}}else{if(log_p){DT_0=0.;DT_1=Number.NEGATIVE_INFINITY;}else{DT_0=1.;DT_1=0.;}}
var albeta,a,b,del,errbd,lambda,rxb,tt,x;var geven,godd,p,q,s,tnc,xeven,xodd;var it,negdel;var ITRMAX=1000;var ERRMAX=1.e-7;if(dof<=0.0){return Number.NaN;}else if(dof==0.0){return this._pt(t);}
if(!jstat.isFinite(t)){return(t<0)?DT_0:DT_1;}
if(t>=0.){negdel=false;tt=t;del=ncp;}else{if(ncp>=40&&(!log_p||!lower_tail)){return DT_0;}
negdel=true;tt=-t;del=-ncp;}
if(dof>4e5||del*del>2*Math.LN2*(-(jstat.DBL_MIN_EXP))){s=1./(4.*dof);var norm=new NormalDistribution(del,Math.sqrt(1.+tt*tt*2.*s));var result=norm._cdf(tt*(1.-s),lower_tail!=negdel,log_p);return result;}
x=t*t;rxb=dof/(x+dof);x=x/(x+dof);if(x>0.){lambda=del*del;p=.5*Math.exp(-.5*lambda);if(p==0.){console.warn("underflow in _pnt");return DT_0;}
q=jstat.SQRT_2dPI*p*del;s=.5-p;if(s<1e-7){s=-0.5*jstat.expm1(-0.5*lambda);}
a=.5;b=.5*dof;rxb=Math.pow(rxb,b);albeta=jstat.LN_SQRT_PI+jstat.lgamma(b)-jstat.lgamma(.5+b);xodd=jstat.incompleteBeta(a,b,x);godd=2.*rxb*Math.exp(a*Math.log(x)-albeta);tnc=b*x;xeven=(tnc<jstat.DBL_EPSILON)?tnc:1.-rxb;geven=tnc*rxb;tnc=p*xodd+q*xeven;for(it=1;it<=ITRMAX;it++){a+=1.;xodd-=godd;xeven-=geven;godd*=x*(a+b-1.)/a;geven*=x*(a+b-.5)/(a+.5);p*=lambda/(2*it);q*=lambda/(2*it+1);tnc+=p*xodd+q*xeven;s-=p;if(s<-1.e-10){console.write("precision error _pnt");break;}
if(s<=0&&it>1)break;errbd=2.*s*(xodd-godd);if(Math.abs(errbd)<ERRMAX)break;}
if(it==ITRMAX){throw"Non-convergence _pnt";}}else{tnc=0.;}
norm=new NormalDistribution(0,1);tnc+=norm._cdf(-del,true,false);lower_tail=lower_tail!=negdel;if(tnc>1-1e-10&&lower_tail){console.warn("precision error _pnt");}
var res=jstat.fmin2(tnc,1.);if(lower_tail){if(log_p){return Math.log(res);}else{return res;}}else{if(log_p){return jstat.log1p(-(res));}else{return(0.5-(res)+0.5);}}},getDegreesOfFreedom:function(){return this._dof;},getNonCentralityParameter:function(){return this._mu;},getMean:function(){if(this._dof>1){var ans=(1/2)*Math.log(this._dof/2)+jstat.lgamma((this._dof-1)/2)-jstat.lgamma(this._dof/2)
return Math.exp(ans)*this._mu;}else{return Number.NaN;}},getVariance:function(){if(this._dof>2){var ans=this._dof*(1+this._mu*this._mu)/(this._dof-2)-(((this._mu*this._mu*this._dof)/2)*Math.pow(Math.exp(jstat.lgamma((this._dof-1)/2)-jstat.lgamma(this._dof/2)),2));return ans;}else{return Number.NaN;}}});var Plot=Class.extend({init:function(id,options){this._container='#'+String(id);this._plots=[];this._flotObj=null;this._locked=false;if(options!=null){this._options=options;}else{this._options={};}},getContainer:function(){return this._container;},getGraph:function(){return this._flotObj;},setData:function(data){this._plots=data;},clear:function(){this._plots=[];},showLegend:function(){this._options.legend={show:true}
this.render();},hideLegend:function(){this._options.legend={show:false}
this.render();},render:function(){this._flotObj=null;this._flotObj=$.plot($(this._container),this._plots,this._options);}});var DistributionPlot=Plot.extend({init:function(id,distribution,range,options){this._super(id,options);this._showPDF=true;this._showCDF=false;this._pdfValues=[];this._cdfValues=[];this._maxY=1;this._plotType='line';this._fill=false;this._distribution=distribution;if(range!=null&&Range.validate(range)){this._range=range;}else{this._range=this._distribution.getRange();}
if(this._distribution!=null){this._maxY=this._generateValues();}else{this._options.xaxis={min:range.getMinimum(),max:range.getMaximum()}
this._options.yaxis={max:1}}
this.render();},setHover:function(bool){if(bool){if(this._options.grid==null){this._options.grid={hoverable:true,mouseActiveRadius:25}}else{this._options.grid.hoverable=true,this._options.grid.mouseActiveRadius=25}
function showTooltip(x,y,contents,color){$('<div id="jstat_tooltip">'+contents+'</div>').css({position:'absolute',display:'none',top:y+15,'font-size':'small',left:x+5,border:'1px solid '+color[1],color:color[2],padding:'5px','background-color':color[0],opacity:0.80}).appendTo("body").show();}
var previousPoint=null;$(this._container).bind("plothover",function(event,pos,item){$("#x").text(pos.x.toFixed(2));$("#y").text(pos.y.toFixed(2));if(item){if(previousPoint!=item.datapoint){previousPoint=item.datapoint;$("#jstat_tooltip").remove();var x=jstat.toSigFig(item.datapoint[0],2),y=jstat.toSigFig(item.datapoint[1],2);var text=null;var color=item.series.color;if(item.series.label=='PDF'){text="P("+x+") = "+y;color=["#fee","#fdd","#C05F5F"];}else{text="F("+x+") = "+y;color=["#eef","#ddf","#4A4AC0"];}
showTooltip(item.pageX,item.pageY,text,color);}}
else{$("#jstat_tooltip").remove();previousPoint=null;}});$(this._container).bind("mouseleave",function(){if($('#jstat_tooltip').is(':visible')){$('#jstat_tooltip').remove();previousPoint=null;}});}else{if(this._options.grid==null){this._options.grid={hoverable:false}}else{this._options.grid.hoverable=false}
$(this._container).unbind("plothover");}
this.render();},setType:function(type){this._plotType=type;var lines={};var points={};if(this._plotType=='line'){lines.show=true;points.show=false;}else if(this._plotType=='points'){lines.show=false;points.show=true;}else if(this._plotType=='both'){lines.show=true;points.show=true;}
if(this._options.series==null){this._options.series={lines:lines,points:points}}else{if(this._options.series.lines==null){this._options.series.lines=lines;}else{this._options.series.lines.show=lines.show;}
if(this._options.series.points==null){this._options.series.points=points;}else{this._options.series.points.show=points.show;}}
this.render();},setFill:function(bool){this._fill=bool;if(this._options.series==null){this._options.series={lines:{fill:bool}}}else{if(this._options.series.lines==null){this._options.series.lines={fill:bool}}else{this._options.series.lines.fill=bool;}}
this.render();},clear:function(){this._super();this._distribution=null;this._pdfValues=[];this._cdfValues=[];this.render();},_generateValues:function(){this._cdfValues=[];this._pdfValues=[];var xs=this._range.getPoints();this._options.xaxis={min:xs[0],max:xs[xs.length-1]}
var pdfs=this._distribution.density(this._range);var cdfs=this._distribution.cumulativeDensity(this._range);for(var i=0;i<xs.length;i++){if(pdfs[i]==Number.POSITIVE_INFINITY||pdfs[i]==Number.NEGATIVE_INFINITY){pdfs[i]=null;}
if(cdfs[i]==Number.POSITIVE_INFINITY||cdfs[i]==Number.NEGATIVE_INFINITY){cdfs[i]=null;}
this._pdfValues.push([xs[i],pdfs[i]]);this._cdfValues.push([xs[i],cdfs[i]]);}
return jstat.max(pdfs);},showPDF:function(){this._showPDF=true;this.render();},hidePDF:function(){this._showPDF=false;this.render();},showCDF:function(){this._showCDF=true;this.render();},hideCDF:function(){this._showCDF=false;this.render();},setDistribution:function(distribution,range){this._distribution=distribution;if(range!=null){this._range=range;}else{this._range=distribution.getRange();}
this._maxY=this._generateValues();this._options.yaxis={max:this._maxY*1.1}
this.render();},getDistribution:function(){return this._distribution;},getRange:function(){return this._range;},setRange:function(range){this._range=range;this._generateValues();this.render();},render:function(){if(this._distribution!=null){if(this._showPDF&&this._showCDF){this.setData([{yaxis:1,data:this._pdfValues,color:'rgb(237,194,64)',clickable:false,hoverable:true,label:"PDF"},{yaxis:2,data:this._cdfValues,clickable:false,color:'rgb(175,216,248)',hoverable:true,label:"CDF"}]);this._options.yaxis={max:this._maxY*1.1}}else if(this._showPDF){this.setData([{data:this._pdfValues,hoverable:true,color:'rgb(237,194,64)',clickable:false,label:"PDF"}]);this._options.yaxis={max:this._maxY*1.1}}else if(this._showCDF){this.setData([{data:this._cdfValues,hoverable:true,color:'rgb(175,216,248)',clickable:false,label:"CDF"}]);this._options.yaxis={max:1.1}}}else{this.setData([]);}
this._super();}});var DistributionFactory={};DistributionFactory.build=function(json){if(json.NormalDistribution){if(json.NormalDistribution.mean!=null&&json.NormalDistribution.standardDeviation!=null){return new NormalDistribution(json.NormalDistribution.mean[0],json.NormalDistribution.standardDeviation[0]);}else{throw"Malformed JSON provided to DistributionBuilder "+json;}}else if(json.LogNormalDistribution){if(json.LogNormalDistribution.location!=null&&json.LogNormalDistribution.scale!=null){return new LogNormalDistribution(json.LogNormalDistribution.location[0],json.LogNormalDistribution.scale[0]);}else{throw"Malformed JSON provided to DistributionBuilder "+json;}}else if(json.BetaDistribution){if(json.BetaDistribution.alpha!=null&&json.BetaDistribution.beta!=null){return new BetaDistribution(json.BetaDistribution.alpha[0],json.BetaDistribution.beta[0]);}else{throw"Malformed JSON provided to DistributionBuilder "+json;}}else if(json.GammaDistribution){if(json.GammaDistribution.shape!=null&&json.GammaDistribution.scale!=null){return new GammaDistribution(json.GammaDistribution.shape[0],json.GammaDistribution.scale[0]);}else{throw"Malformed JSON provided to DistributionBuilder "+json;}}else if(json.StudentTDistribution){if(json.StudentTDistribution.degreesOfFreedom!=null&&json.StudentTDistribution.nonCentralityParameter!=null){return new StudentTDistribution(json.StudentTDistribution.degreesOfFreedom[0],json.StudentTDistribution.nonCentralityParameter[0]);}else if(json.StudentTDistribution.degreesOfFreedom!=null){return new StudentTDistribution(json.StudentTDistribution.degreesOfFreedom[0]);}else{throw"Malformed JSON provided to DistributionBuilder "+json;}}else{throw"Malformed JSON provided to DistributionBuilder "+json;}}

89
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/sliders.js
View File

@@ -1,89 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
define('Sliders', [], function () {
return Sliders;
function Sliders(gstId, state) {
var c1, paramName, allParamNames, sliderDiv;
allParamNames = state.getAllParameterNames();
for (c1 = 0; c1 < allParamNames.length; c1 += 1) {
paramName = allParamNames[c1];
sliderDiv = $('#' + gstId + '_slider_' + paramName);
if (sliderDiv.length === 1) {
createSlider(sliderDiv, paramName);
} else if (sliderDiv.length > 1) {
console.log('ERROR: Found more than one slider for the parameter "' + paramName + '".');
console.log('sliderDiv.length = ', sliderDiv.length);
} // else {
// console.log('MESSAGE: Did not find a slider for the parameter "' + paramName + '".');
// }
}
function createSlider(sliderDiv, paramName) {
var paramObj;
paramObj = state.getParamObj(paramName);
// Check that the retrieval went OK.
if (paramObj === undefined) {
console.log('ERROR: Could not get a paramObj for parameter "' + paramName + '".');
return;
}
// Create a jQuery UI slider from the slider DIV. We will set
// starting parameters, and will also attach a handler to update
// the 'state' on the 'slide' event.
sliderDiv.slider({
'min': paramObj.min,
'max': paramObj.max,
'value': paramObj.value,
'step': paramObj.step
});
// Tell the parameter object stored in state that we have a slider
// that is attached to it. Next time when the parameter changes, it
// will also update the value of this slider.
paramObj.sliderDiv = sliderDiv;
// Atach callbacks to update the slider's parameter.
paramObj.sliderDiv.on('slide', sliderOnSlide);
paramObj.sliderDiv.on('slidechange', sliderOnChange);
return;
// Update the 'state' - i.e. set the value of the parameter this
// slider is attached to to a new value.
//
// This will cause the plot to be redrawn each time after the user
// drags the slider handle and releases it.
function sliderOnSlide(event, ui) {
// Last parameter passed to setParameterValue() will be 'true'
// so that the function knows we are a slider, and it can
// change the our value back in the case when the new value is
// invalid for some reason.
if (state.setParameterValue(paramName, ui.value, sliderDiv, true, 'slide') === undefined) {
console.log('ERROR: Could not update the parameter named "' + paramName + '" with the value "' + ui.value + '".');
}
}
function sliderOnChange(event, ui) {
if (state.setParameterValue(paramName, ui.value, sliderDiv, true, 'change') === undefined) {
console.log('ERROR: Could not update the parameter named "' + paramName + '" with the value "' + ui.value + '".');
}
}
}
}
});
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)

395
common/lib/xmodule/xmodule/js/src/graphical_slider_tool/state.js
View File

@@ -1,395 +0,0 @@
// Wrapper for RequireJS. It will make the standard requirejs(), require(), and
// define() functions from Require JS available inside the anonymous function.
(function (requirejs, require, define) {
define('State', [], function () {
var stateInst;
// Since there will be (can be) multiple GST on a page, and each will have
// a separate state, we will create a factory constructor function. The
// constructor will expect the ID of the DIV with the GST contents, and the
// configuration object (parsed from a JSON string). It will return an
// object containing methods to set and get the private state properties.
stateInst = 0;
// This module defines and returns a factory constructor.
return State;
function State(gstId, config) {
var parameters, allParameterNames, allParameterValues,
plotDiv, dynamicEl, dynamicElByElId;
dynamicEl = [];
dynamicElByElId = {};
stateInst += 1;
// console.log('MESSAGE: Creating state instance # ' + stateInst + '.');
// Initially, there are no parameters to track. So, we will instantiate
// an empty object.
//
// As we parse the JSON config object, we will add parameters as
// named properties. For example
//
// parameters.a = {...};
//
// will be created for the parameter 'a'.
parameters = {};
// Check that the required parameters config object is available.
if ($.isPlainObject(config.parameters) === false) {
console.log('ERROR: Expected config.parameters to be an object. It is not.');
console.log('config.parameters = ', config.parameters);
return;
}
// If config.parameters.param is an array, pass it to the processor
// element by element.
if ($.isArray(config.parameters.param) === true) {
(function (c1) {
while (c1 < config.parameters.param.length) {
processParameter(config.parameters.param[c1]);
c1 += 1;
}
}(0));
}
// If config.parameters.param is an object, pass this object to the
// processor directly.
else if ($.isPlainObject(config.parameters.param) === true) {
processParameter(config.parameters.param);
}
// If config.parameters.param is some other type, report an error and
// do not continue.
else {
console.log('ERROR: config.parameters.param is of an unsupported type.');
console.log('config.parameters.param = ', config.parameters.param);
return;
}
// Instead of building these arrays every time when some component
// requests them, we will create them in the beginning, and then update
// each element individually when some parameter's value changes.
//
// Then we can just return the required array, instead of iterating
// over all of the properties of the 'parameters' object, and
// extracting their names/values one by one.
allParameterNames = [];
allParameterValues = [];
// Populate 'allParameterNames', and 'allParameterValues' with data.
generateHelperArrays();
// The constructor will return an object with methods to operate on
// it's private properties.
return {
'getParameterValue': getParameterValue,
'setParameterValue': setParameterValue,
'getParamObj': getParamObj,
'getAllParameterNames': getAllParameterNames,
'getAllParameterValues': getAllParameterValues,
'bindUpdatePlotEvent': bindUpdatePlotEvent,
'addDynamicEl': addDynamicEl,
// plde is an abbreviation for Plot Label Dynamic Elements.
plde: []
};
function getAllParameterNames() {
return allParameterNames;
}
function getAllParameterValues() {
return allParameterValues;
}
function getParamObj(paramName) {
if (parameters.hasOwnProperty(paramName) === false) {
console.log('ERROR: Object parameters does not have a property named "' + paramName + '".');
return;
}
return parameters[paramName];
}
function bindUpdatePlotEvent(newPlotDiv, callback) {
plotDiv = newPlotDiv;
plotDiv.bind('update_plot', callback);
}
function addDynamicEl(el, func, elId, updateOnEvent) {
var newLength;
newLength = dynamicEl.push({
'el': el,
'func': func,
'elId': elId,
'updateOnEvent': updateOnEvent
});
if (typeof dynamicElByElId[elId] !== 'undefined') {
console.log(
'ERROR: Duplicate dynamic element ID "' + elId + '" found.'
);
} else {
dynamicElByElId[elId] = dynamicEl[newLength - 1];
}
}
function getParameterValue(paramName) {
// If the name of the constant is not tracked by state, return an
// 'undefined' value.
if (parameters.hasOwnProperty(paramName) === false) {
console.log('ERROR: Object parameters does not have a property named "' + paramName + '".');
return;
}
return parameters[paramname].value;
}
// ####################################################################
//
// Function: setParameterValue(paramName, paramValue, element)
// --------------------------------------------------
//
//
// This function can be called from a callback, registered by a slider
// or a text input, when specific events ('slide' or 'change') are
// triggered.
//
// The 'paramName' is the name of the parameter in 'parameters' object
// whose value must be updated to the new value of 'paramValue'.
//
// Before we update the value, we must check that:
//
// 1.) the parameter named as 'paramName' actually exists in the
// 'parameters' object;
// 2.) the value 'paramValue' is a valid floating-point number, and
// it lies within the range specified by the 'min' and 'max'
// properties of the stored parameter object.
//
// If 'paramName' and 'paramValue' turn out to be valid, we will update
// the stored value in the parameter with the new value, and also
// update all of the text inputs and the slider that correspond to this
// parameter (if any), so that they reflect the new parameter's value.
// Finally, the helper array 'allParameterValues' will also be updated
// to reflect the change.
//
// If something went wrong (for example the new value is outside the
// allowed range), then we will reset the 'element' to display the
// original value.
//
// ####################################################################
function setParameterValue(paramName, paramValue, element, slider, updateOnEvent) {
var paramValueNum, c1;
// If a parameter with the name specified by the 'paramName'
// parameter is not tracked by state, do not do anything.
if (parameters.hasOwnProperty(paramName) === false) {
console.log('ERROR: Object parameters does not have a property named "' + paramName + '".');
return;
}
// Try to convert the passed value to a valid floating-point
// number.
paramValueNum = parseFloat(paramValue);
// We are interested only in valid float values. NaN, -INF,
// +INF we will disregard.
if (isFinite(paramValueNum) === false) {
console.log('ERROR: New parameter value is not a floating-point number.');
console.log('paramValue = ', paramValue);
return;
}
if (paramValueNum < parameters[paramName].min) {
paramValueNum = parameters[paramName].min;
} else if (paramValueNum > parameters[paramName].max) {
paramValueNum = parameters[paramName].max;
}
parameters[paramName].value = paramValueNum;
// Update all text inputs with the new parameter's value.
for (c1 = 0; c1 < parameters[paramName].inputDivs.length; c1 += 1) {
parameters[paramName].inputDivs[c1].val(paramValueNum);
}
// Update the single slider with the new parameter's value.
if ((slider === false) && (parameters[paramName].sliderDiv !== null)) {
parameters[paramName].sliderDiv.slider('value', paramValueNum);
}
// Update the helper array with the new parameter's value.
allParameterValues[parameters[paramName].helperArrayIndex] = paramValueNum;
for (c1 = 0; c1 < dynamicEl.length; c1++) {
if (
((updateOnEvent !== undefined) && (dynamicEl[c1].updateOnEvent === updateOnEvent)) ||
(updateOnEvent === undefined)
) {
// If we have a DOM element, call the function "paste" the answer into the DIV.
if (dynamicEl[c1].el !== null) {
dynamicEl[c1].el.html(dynamicEl[c1].func.apply(window, allParameterValues));
}
// If we DO NOT have an element, simply call the function. The function can then
// manipulate all the DOM elements it wants, without the fear of them being overwritten
// by us afterwards.
else {
dynamicEl[c1].func.apply(window, allParameterValues);
}
}
}
// If we have a plot DIV to work with, tell to update.
if (plotDiv !== undefined) {
plotDiv.trigger('update_plot');
}
return true;
} // End-of: function setParameterValue
// ####################################################################
//
// Function: processParameter(obj)
// -------------------------------
//
//
// This function will be run once for each instance of a GST when
// parsing the JSON config object.
//
// 'newParamObj' must be empty from the start for each invocation of
// this function, that's why we will declare it locally.
//
// We will parse the passed object 'obj' and populate the 'newParamObj'
// object with required properties.
//
// Since there will be many properties that are of type floating-point
// number, we will have a separate function for parsing them.
//
// processParameter() will fail right away if 'obj' does not have a
// '@var' property which represents the name of the parameter we want
// to process.
//
// If, after all of the properties have been processed, we reached the
// end of the function successfully, the 'newParamObj' will be added to
// the 'parameters' object (that is defined in the scope of State()
// function) as a property named as the name of the parameter.
//
// If at least one of the properties from 'obj' does not get correctly
// parsed, then the parameter represented by 'obj' will be disregarded.
// It will not be available to user-defined plotting functions, and
// things will most likely break. We will notify the user about this.
//
// ####################################################################
function processParameter(obj) {
var paramName, newParamObj;
if (typeof obj['@var'] !== 'string') {
console.log('ERROR: Expected obj["@var"] to be a string. It is not.');
console.log('obj["@var"] = ', obj['@var']);
return;
}
paramName = obj['@var'];
newParamObj = {};
if (
(processFloat('@min', 'min') === false) ||
(processFloat('@max', 'max') === false) ||
(processFloat('@step', 'step') === false) ||
(processFloat('@initial', 'value') === false)
) {
console.log('ERROR: A required property is missing. Not creating parameter "' + paramName + '"');
return;
}
// Pointers to text input and slider DIV elements that this
// parameter will be attached to. Initially there are none. When we
// will create text inputs and sliders, we will update these
// properties.
newParamObj.inputDivs = [];
newParamObj.sliderDiv = null;
// Everything went well, so save the new parameter object.
parameters[paramName] = newParamObj;
return;
function processFloat(attrName, newAttrName) {
var attrValue;
if (typeof obj[attrName] !== 'string') {
console.log('ERROR: Expected obj["' + attrName + '"] to be a string. It is not.');
console.log('obj["' + attrName + '"] = ', obj[attrName]);
return false;
} else {
attrValue = parseFloat(obj[attrName]);
if (isFinite(attrValue) === false) {
console.log('ERROR: Expected obj["' + attrName + '"] to be a valid floating-point number. It is not.');
console.log('obj["' + attrName + '"] = ', obj[attrName]);
return false;
}
}
newParamObj[newAttrName] = attrValue;
return true;
} // End-of: function processFloat
} // End-of: function processParameter
// ####################################################################
//
// Function: generateHelperArrays()
// -------------------------------
//
//
// Populate 'allParameterNames' and 'allParameterValues' with data.
// Link each parameter object with the corresponding helper array via
// an index 'helperArrayIndex'. It will be the same for both of the
// arrays.
//
// NOTE: It is important to remember to update these helper arrays
// whenever a new parameter is added (or one is removed), or when a
// parameter's value changes.
//
// ####################################################################
function generateHelperArrays() {
var paramName, c1;
c1 = 0;
for (paramName in parameters) {
allParameterNames.push(paramName);
allParameterValues.push(parameters[paramName].value);
parameters[paramName].helperArrayIndex = c1;
c1 += 1;
}
}
} // End-of: function State
});
// End of wrapper for RequireJS. As you can see, we are passing
// namespaced Require JS variables to an anonymous function. Within
// it, you can use the standard requirejs(), require(), and define()
// functions as if they were in the global namespace.
}(RequireJS.requirejs, RequireJS.require, RequireJS.define)); // End-of: (function (requirejs, require, define)

1
common/lib/xmodule/xmodule/tests/test_export.py
View File

@@ -82,7 +82,6 @@ class RoundTripTestCase(unittest.TestCase):
"conditional_and_poll",
"conditional",
"self_assessment",
"graphic_slider_tool",
"test_exam_registration",
"word_cloud",
"pure_xblock",

16
common/lib/xmodule/xmodule/tests/test_import.py
View File

@@ -614,22 +614,6 @@ class ImportTestCase(BaseCourseTestCase):
self.assertRaises(etree.XMLSyntaxError, system.process_xml, bad_xml)
def test_graphicslidertool_import(self):
'''
Check to see if definition_from_xml in gst_module.py
works properly. Pulls data from the graphic_slider_tool directory
in the test data directory.
'''
modulestore = XMLModuleStore(DATA_DIR, source_dirs=['graphic_slider_tool'])
sa_id = SlashSeparatedCourseKey("edX", "gst_test", "2012_Fall")
location = sa_id.make_usage_key("graphical_slider_tool", "sample_gst")
gst_sample = modulestore.get_item(location)
render_string_from_sample_gst_xml = """
<slider var="a" style="width:400px;float:left;"/>\
<plot style="margin-top:15px;margin-bottom:15px;"/>""".strip()
self.assertIn(render_string_from_sample_gst_xml, gst_sample.data)
def test_word_cloud_import(self):
modulestore = XMLModuleStore(DATA_DIR, source_dirs=['word_cloud'])

5
common/lib/xmodule/xmodule/tests/test_xblock_wrappers.py
View File

@@ -32,7 +32,6 @@ from xmodule.annotatable_module import AnnotatableDescriptor
from xmodule.capa_module import CapaDescriptor
from xmodule.course_module import CourseDescriptor
from xmodule.discussion_module import DiscussionDescriptor
from xmodule.gst_module import GraphicalSliderToolDescriptor
from xmodule.html_module import HtmlDescriptor
from xmodule.poll_module import PollDescriptor
from xmodule.word_cloud_module import WordCloudDescriptor
@@ -53,7 +52,6 @@ LEAF_XMODULES = {
AnnotatableDescriptor: [{}],
CapaDescriptor: [{}],
DiscussionDescriptor: [{}],
GraphicalSliderToolDescriptor: [{}],
HtmlDescriptor: [{}],
PollDescriptor: [{'display_name': 'Poll Display Name'}],
WordCloudDescriptor: [{}],
@@ -75,10 +73,9 @@ CONTAINER_XMODULES = {
WrapperBlock: [{}],
}
# These modules are editable in studio yet
# These modules are not editable in studio yet
NOT_STUDIO_EDITABLE = (
CrowdsourceHinterDescriptor,
GraphicalSliderToolDescriptor,
PollDescriptor
)

2
common/test/data/graphic_slider_tool/README.md
View File

@@ -1,2 +0,0 @@
This is a very very simple course, useful for debugging graphical slider tool
code.

1
common/test/data/graphic_slider_tool/course.xml
View File

@@ -1 +0,0 @@
roots/2012_Fall.xml

5
common/test/data/graphic_slider_tool/course/2012_Fall.xml
View File

@@ -1,5 +0,0 @@
<course>
<chapter url_name="Overview">
<graphical_slider_tool url_name="sample_gst"/>
</chapter>
</course>

30
common/test/data/graphic_slider_tool/graphical_slider_tool/sample_gst.xml
View File

@@ -1,30 +0,0 @@
<graphical_slider_tool>
<render>
<slider var='a' style="width:400px;float:left;"/><plot style="margin-top:15px;margin-bottom:15px;"/>
</render>
<configuration>
<parameters>
<param var="a" min="5" max="25" step="0.5" initial="12.5" />
</parameters>
<functions>
<function color="red">return Math.sqrt(a * a - x * x);</function>
<function color="red">return -Math.sqrt(a * a - x * x);</function>
</functions>
<plot>
<xrange>
<!-- dynamic range -->
<min>
return -a;
</min>
<max>
return a;
</max>
</xrange>
<num_points>1000</num_points>
<xticks>-30, 6, 30</xticks>
<yticks>-30, 6, 30</yticks>
</plot>
</configuration>
</graphical_slider_tool>

14
common/test/data/graphic_slider_tool/policies/2012_Fall.json
View File

@@ -1,14 +0,0 @@
{
"course/2012_Fall": {
"graceperiod": "2 days 5 hours 59 minutes 59 seconds",
"start": "2015-07-17T12:00",
"display_name": "GST Test",
"graded": "false"
},
"chapter/Overview": {
"display_name": "Overview"
},
"graphical_slider_tool/sample_gst": {
"display_name": "Sample GST"
}
}

1
common/test/data/graphic_slider_tool/roots/2012_Fall.xml
View File

@@ -1 +0,0 @@
<course org="edX" course="gst_test" url_name="2012_Fall"/>

10
lms/djangoapps/courseware/features/gst.feature
View File

@@ -1,10 +0,0 @@
@shard_2
Feature: LMS.Graphical Slider Tool Module
As a student, I want to view a Graphical Slider Tool Component
Scenario: The slider changes values on the page
Given that I have a course with a Graphical Slider Tool
When I view the Graphical Slider Tool
Then the displayed value should be 0
And I move the slider to the right
Then the displayed value should be 10

76
lms/djangoapps/courseware/features/gst.py
View File

@@ -1,76 +0,0 @@
from lettuce import world, steps
from nose.tools import assert_equals
from common import i_am_registered_for_the_course, visit_scenario_item
DEFAULT_DATA = """\
<render>
<p>Test of the graphical slider tool</p>
<div class='gst-value'>
<span id="value-display" style="width:50px; float:left; margin-left:10px;"/>
</div>
<div class='gst-input'>
<slider var="a" style="width:400px;float:left;margin-left:10px;"/>
</div>
</render>
<configuration>
<parameters>
<param var="a" min="0" max="10" step="1" initial="0"/>
</parameters>
<functions>
<function output="element" el_id="value-display">a</function>
</functions>
</configuration>
"""
@steps
class GraphicalSliderToolSteps(object):
COURSE_NUM = 'test_course'
def setup_gst(self, step):
r'that I have a course with a Graphical Slider Tool$'
i_am_registered_for_the_course(step, self.COURSE_NUM)
world.scenario_dict['GST'] = world.ItemFactory(
parent_location=world.scenario_dict['SECTION'].location,
category='graphical_slider_tool',
display_name="Test GST",
data=DEFAULT_DATA
)
def view_gst(self, step):
r'I view the Graphical Slider Tool$'
visit_scenario_item('GST')
world.wait_for_js_variable_truthy('$(".xblock-student_view[data-type=GraphicalSliderTool]").data("initialized")')
world.wait_for_ajax_complete()
def check_value(self, step, value):
r'the displayed value should be (?P<value>\d+)$'
assert_equals(world.css_text('.gst-value'), value)
def move_slider(self, step):
r'I move the slider to the right$'
handle_selector = '.gst-input .ui-slider-handle'
world.wait_for_visible(handle_selector)
world.wait_for_visible('.gst-value #value-display')
def try_move():
handle = world.css_find(handle_selector).first
slider = world.css_find('.gst-input .ui-slider').first
(handle.action_chains
.click_and_hold(handle._element)
.move_by_offset(
int(handle._element.location['x'] + 400),
0
).release().perform())
world.retry_on_exception(try_move)
GraphicalSliderToolSteps()

9
lms/templates/graphical_slider_tool.html
View File

@@ -1,9 +0,0 @@
<div align="center" id="${element_id}" class="${element_class}">
<!-- hidden field to read configuration json from -->
<div class="${element_class}" id="${element_id}_json" style="display: none;">
${configuration_json}
</div>
<!-- main xml with marked places for sliders, numbers, and plot -->
${gst_html}
</div>

2
lms/templates/staff_problem_info.html
View File

@@ -6,7 +6,7 @@ from django.template.defaultfilters import escapejs
## The JS for this is defined in xqa_interface.html
${block_content}
%if location.category in ['problem','video','html','combinedopenended','graphical_slider_tool', 'library_content']:
%if location.category in ['problem','video','html','combinedopenended','library_content']:
% if edit_link:
<div>
<a href="${edit_link}">Edit</a>